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Finding the Fourth Proportional to 655,983.95, 984,114 and 371,810.66

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Solution

The fourth proportional to 655,983.95, 984,114 and 371,810.66 is: 557,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,983.95 : 984,114 = 371,810.66 : x
  2. Step 2: Convert to fraction form
    655,983.95/984,114 = 371,810.66/x
  3. Step 3: Cross multiply
    655,983.95x = 984,114 × 371,810.66
  4. Step 4: Simplify right side
    655,983.95x = 365,904,070,934.67
  5. Step 5: Solve for x
    x = 365,904,070,934.67/655,983.95
  6. Step 6: Final answer
    x = 557,794.25

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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.