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Finding the Fourth Proportional to 504,348.30, 756,522.45 and 188,764.20

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Solution

The fourth proportional to 504,348.30, 756,522.45 and 188,764.20 is: 283,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,348.30 : 756,522.45 = 188,764.20 : x
  2. Step 2: Convert to fraction form
    504,348.30/756,522.45 = 188,764.20/x
  3. Step 3: Cross multiply
    504,348.30x = 756,522.45 × 188,764.20
  4. Step 4: Simplify right side
    504,348.30x = 142,804,355,056.29
  5. Step 5: Solve for x
    x = 142,804,355,056.29/504,348.30
  6. Step 6: Final answer
    x = 283,146.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.