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Finding the Fourth Proportional to 520,952.68, 781,569.30 and 268,095.38

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Solution

The fourth proportional to 520,952.68, 781,569.30 and 268,095.38 is: 402,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,952.68 : 781,569.30 = 268,095.38 : x
  2. Step 2: Convert to fraction form
    520,952.68/781,569.30 = 268,095.38/x
  3. Step 3: Cross multiply
    520,952.68x = 781,569.30 × 268,095.38
  4. Step 4: Simplify right side
    520,952.68x = 209,535,118,479.83
  5. Step 5: Solve for x
    x = 209,535,118,479.83/520,952.68
  6. Step 6: Final answer
    x = 402,215.26

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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.