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Finding the Fourth Proportional to 424,437.57, 585,712.35 and 240,709.86

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Solution

The fourth proportional to 424,437.57, 585,712.35 and 240,709.86 is: 332,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,437.57 : 585,712.35 = 240,709.86 : x
  2. Step 2: Convert to fraction form
    424,437.57/585,712.35 = 240,709.86/x
  3. Step 3: Cross multiply
    424,437.57x = 585,712.35 × 240,709.86
  4. Step 4: Simplify right side
    424,437.57x = 140,986,737,768.77
  5. Step 5: Solve for x
    x = 140,986,737,768.77/424,437.57
  6. Step 6: Final answer
    x = 332,173.09

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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.