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Finding the Fourth Proportional to 655,365.80, 904,188.52 and 534,298.95

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Solution

The fourth proportional to 655,365.80, 904,188.52 and 534,298.95 is: 737,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,365.80 : 904,188.52 = 534,298.95 : x
  2. Step 2: Convert to fraction form
    655,365.80/904,188.52 = 534,298.95/x
  3. Step 3: Cross multiply
    655,365.80x = 904,188.52 × 534,298.95
  4. Step 4: Simplify right side
    655,365.80x = 483,106,977,505.93
  5. Step 5: Solve for x
    x = 483,106,977,505.93/655,365.80
  6. Step 6: Final answer
    x = 737,156.22

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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.