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Finding the Fourth Proportional to 532,129.60, 798,194.40 and 437,651.20

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Solution

The fourth proportional to 532,129.60, 798,194.40 and 437,651.20 is: 656,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,129.60 : 798,194.40 = 437,651.20 : x
  2. Step 2: Convert to fraction form
    532,129.60/798,194.40 = 437,651.20/x
  3. Step 3: Cross multiply
    532,129.60x = 798,194.40 × 437,651.20
  4. Step 4: Simplify right side
    532,129.60x = 349,330,736,993.28
  5. Step 5: Solve for x
    x = 349,330,736,993.28/532,129.60
  6. Step 6: Final answer
    x = 656,476.80

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Similar ratio
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1.5x scale

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.