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Finding the Fourth Proportional to 424,722.40, 586,105.13 and 240,994.42

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Solution

The fourth proportional to 424,722.40, 586,105.13 and 240,994.42 is: 332,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,722.40 : 586,105.13 = 240,994.42 : x
  2. Step 2: Convert to fraction form
    424,722.40/586,105.13 = 240,994.42/x
  3. Step 3: Cross multiply
    424,722.40x = 586,105.13 × 240,994.42
  4. Step 4: Simplify right side
    424,722.40x = 141,248,061,727.88
  5. Step 5: Solve for x
    x = 141,248,061,727.88/424,722.40
  6. Step 6: Final answer
    x = 332,565.61

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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.