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Finding the Fourth Proportional to 576,510.30, 862,432.65 and 506,526.30

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Solution

The fourth proportional to 576,510.30, 862,432.65 and 506,526.30 is: 757,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,510.30 : 862,432.65 = 506,526.30 : x
  2. Step 2: Convert to fraction form
    576,510.30/862,432.65 = 506,526.30/x
  3. Step 3: Cross multiply
    576,510.30x = 862,432.65 × 506,526.30
  4. Step 4: Simplify right side
    576,510.30x = 436,844,819,203.70
  5. Step 5: Solve for x
    x = 436,844,819,203.70/576,510.30
  6. Step 6: Final answer
    x = 757,739.83

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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.