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Finding the Fourth Proportional to 502,593.78, 693,584.80 and 273,151.06

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Solution

The fourth proportional to 502,593.78, 693,584.80 and 273,151.06 is: 376,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,593.78 : 693,584.80 = 273,151.06 : x
  2. Step 2: Convert to fraction form
    502,593.78/693,584.80 = 273,151.06/x
  3. Step 3: Cross multiply
    502,593.78x = 693,584.80 × 273,151.06
  4. Step 4: Simplify right side
    502,593.78x = 189,453,423,319.89
  5. Step 5: Solve for x
    x = 189,453,423,319.89/502,593.78
  6. Step 6: Final answer
    x = 376,951.39

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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.