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Finding the Fourth Proportional to 531,702.77, 797,550.03 and 132,340.87

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Solution

The fourth proportional to 531,702.77, 797,550.03 and 132,340.87 is: 198,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,702.77 : 797,550.03 = 132,340.87 : x
  2. Step 2: Convert to fraction form
    531,702.77/797,550.03 = 132,340.87/x
  3. Step 3: Cross multiply
    531,702.77x = 797,550.03 × 132,340.87
  4. Step 4: Simplify right side
    531,702.77x = 105,548,465,835.66
  5. Step 5: Solve for x
    x = 105,548,465,835.66/531,702.77
  6. Step 6: Final answer
    x = 198,510.28

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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.