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Finding the Fourth Proportional to 532,153.60, 798,230.40 and 437,675.20

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Solution

The fourth proportional to 532,153.60, 798,230.40 and 437,675.20 is: 656,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,153.60 : 798,230.40 = 437,675.20 : x
  2. Step 2: Convert to fraction form
    532,153.60/798,230.40 = 437,675.20/x
  3. Step 3: Cross multiply
    532,153.60x = 798,230.40 × 437,675.20
  4. Step 4: Simplify right side
    532,153.60x = 349,365,649,966.08
  5. Step 5: Solve for x
    x = 349,365,649,966.08/532,153.60
  6. Step 6: Final answer
    x = 656,512.80

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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.