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Finding the Fourth Proportional to 514,726.12, 710,520.42 and 500,521.96

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Solution

The fourth proportional to 514,726.12, 710,520.42 and 500,521.96 is: 690,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,726.12 : 710,520.42 = 500,521.96 : x
  2. Step 2: Convert to fraction form
    514,726.12/710,520.42 = 500,521.96/x
  3. Step 3: Cross multiply
    514,726.12x = 710,520.42 × 500,521.96
  4. Step 4: Simplify right side
    514,726.12x = 355,631,073,238.42
  5. Step 5: Solve for x
    x = 355,631,073,238.42/514,726.12
  6. Step 6: Final answer
    x = 690,913.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.