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Finding the Fourth Proportional to 657,129.30, 984,311.55 and 546,537.30

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Solution

The fourth proportional to 657,129.30, 984,311.55 and 546,537.30 is: 818,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,129.30 : 984,311.55 = 546,537.30 : x
  2. Step 2: Convert to fraction form
    657,129.30/984,311.55 = 546,537.30/x
  3. Step 3: Cross multiply
    657,129.30x = 984,311.55 × 546,537.30
  4. Step 4: Simplify right side
    657,129.30x = 537,962,976,895.82
  5. Step 5: Solve for x
    x = 537,962,976,895.82/657,129.30
  6. Step 6: Final answer
    x = 818,656.20

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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.