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Finding the Fourth Proportional to 654,064.20, 902,683.44 and 363,704.76

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Solution

The fourth proportional to 654,064.20, 902,683.44 and 363,704.76 is: 501,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,064.20 : 902,683.44 = 363,704.76 : x
  2. Step 2: Convert to fraction form
    654,064.20/902,683.44 = 363,704.76/x
  3. Step 3: Cross multiply
    654,064.20x = 902,683.44 × 363,704.76
  4. Step 4: Simplify right side
    654,064.20x = 328,310,263,901.17
  5. Step 5: Solve for x
    x = 328,310,263,901.17/654,064.20
  6. Step 6: Final answer
    x = 501,954.19

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Double scale
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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.