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Finding the Fourth Proportional to 523,874.15, 723,006.27 and 291,324.29

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Solution

The fourth proportional to 523,874.15, 723,006.27 and 291,324.29 is: 402,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,874.15 : 723,006.27 = 291,324.29 : x
  2. Step 2: Convert to fraction form
    523,874.15/723,006.27 = 291,324.29/x
  3. Step 3: Cross multiply
    523,874.15x = 723,006.27 × 291,324.29
  4. Step 4: Simplify right side
    523,874.15x = 210,629,287,448.68
  5. Step 5: Solve for x
    x = 210,629,287,448.68/523,874.15
  6. Step 6: Final answer
    x = 402,060.85

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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.