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Finding the Fourth Proportional to 435,700.61, 601,196.14 and 272,337.78

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Solution

The fourth proportional to 435,700.61, 601,196.14 and 272,337.78 is: 375,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,700.61 : 601,196.14 = 272,337.78 : x
  2. Step 2: Convert to fraction form
    435,700.61/601,196.14 = 272,337.78/x
  3. Step 3: Cross multiply
    435,700.61x = 601,196.14 × 272,337.78
  4. Step 4: Simplify right side
    435,700.61x = 163,728,422,112.17
  5. Step 5: Solve for x
    x = 163,728,422,112.17/435,700.61
  6. Step 6: Final answer
    x = 375,781.94

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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.