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Finding the Fourth Proportional to 522,959.40, 784,439.10 and 363,527.10

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Solution

The fourth proportional to 522,959.40, 784,439.10 and 363,527.10 is: 545,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,959.40 : 784,439.10 = 363,527.10 : x
  2. Step 2: Convert to fraction form
    522,959.40/784,439.10 = 363,527.10/x
  3. Step 3: Cross multiply
    522,959.40x = 784,439.10 × 363,527.10
  4. Step 4: Simplify right side
    522,959.40x = 285,164,871,149.61
  5. Step 5: Solve for x
    x = 285,164,871,149.61/522,959.40
  6. Step 6: Final answer
    x = 545,290.65

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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.