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Finding the Fourth Proportional to 653,559.66, 902,219.51 and 436,130.17

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Solution

The fourth proportional to 653,559.66, 902,219.51 and 436,130.17 is: 602,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,559.66 : 902,219.51 = 436,130.17 : x
  2. Step 2: Convert to fraction form
    653,559.66/902,219.51 = 436,130.17/x
  3. Step 3: Cross multiply
    653,559.66x = 902,219.51 × 436,130.17
  4. Step 4: Simplify right side
    653,559.66x = 393,485,152,183.38
  5. Step 5: Solve for x
    x = 393,485,152,183.38/653,559.66
  6. Step 6: Final answer
    x = 602,064.62

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Half scale
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Double scale
Find fourth proportional to 653,560.66, 902,220.89 and 436,131.17
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.