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Finding the Fourth Proportional to 543,205.70, 814,808.55 and 532,708.10

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Solution

The fourth proportional to 543,205.70, 814,808.55 and 532,708.10 is: 799,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,205.70 : 814,808.55 = 532,708.10 : x
  2. Step 2: Convert to fraction form
    543,205.70/814,808.55 = 532,708.10/x
  3. Step 3: Cross multiply
    543,205.70x = 814,808.55 × 532,708.10
  4. Step 4: Simplify right side
    543,205.70x = 434,055,114,534.26
  5. Step 5: Solve for x
    x = 434,055,114,534.26/543,205.70
  6. Step 6: Final answer
    x = 799,062.15

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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.