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Finding the Fourth Proportional to 655,177.20, 904,141.44 and 368,702.08

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Solution

The fourth proportional to 655,177.20, 904,141.44 and 368,702.08 is: 508,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,177.20 : 904,141.44 = 368,702.08 : x
  2. Step 2: Convert to fraction form
    655,177.20/904,141.44 = 368,702.08/x
  3. Step 3: Cross multiply
    655,177.20x = 904,141.44 × 368,702.08
  4. Step 4: Simplify right side
    655,177.20x = 333,358,829,542.20
  5. Step 5: Solve for x
    x = 333,358,829,542.20/655,177.20
  6. Step 6: Final answer
    x = 508,807.13

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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.