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Finding the Fourth Proportional to 502,088.70, 752,895.45 and 291,791.10

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Solution

The fourth proportional to 502,088.70, 752,895.45 and 291,791.10 is: 437,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,088.70 : 752,895.45 = 291,791.10 : x
  2. Step 2: Convert to fraction form
    502,088.70/752,895.45 = 291,791.10/x
  3. Step 3: Cross multiply
    502,088.70x = 752,895.45 × 291,791.10
  4. Step 4: Simplify right side
    502,088.70x = 219,688,191,540.50
  5. Step 5: Solve for x
    x = 219,688,191,540.50/502,088.70
  6. Step 6: Final answer
    x = 437,548.57

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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.