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Finding the Fourth Proportional to 532,321.70, 798,482.55 and 479,833.70

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Solution

The fourth proportional to 532,321.70, 798,482.55 and 479,833.70 is: 719,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,321.70 : 798,482.55 = 479,833.70 : x
  2. Step 2: Convert to fraction form
    532,321.70/798,482.55 = 479,833.70/x
  3. Step 3: Cross multiply
    532,321.70x = 798,482.55 × 479,833.70
  4. Step 4: Simplify right side
    532,321.70x = 383,138,836,351.94
  5. Step 5: Solve for x
    x = 383,138,836,351.94/532,321.70
  6. Step 6: Final answer
    x = 719,750.55

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Double scale
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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.