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Finding the Fourth Proportional to 532,643.80, 798,965.70 and 484,432.60

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Solution

The fourth proportional to 532,643.80, 798,965.70 and 484,432.60 is: 726,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,643.80 : 798,965.70 = 484,432.60 : x
  2. Step 2: Convert to fraction form
    532,643.80/798,965.70 = 484,432.60/x
  3. Step 3: Cross multiply
    532,643.80x = 798,965.70 × 484,432.60
  4. Step 4: Simplify right side
    532,643.80x = 387,045,031,361.82
  5. Step 5: Solve for x
    x = 387,045,031,361.82/532,643.80
  6. Step 6: Final answer
    x = 726,648.90

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Similar ratio
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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.