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Finding the Fourth Proportional to 440,920.16, 608,452.10 and 259,639.73

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Solution

The fourth proportional to 440,920.16, 608,452.10 and 259,639.73 is: 358,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,920.16 : 608,452.10 = 259,639.73 : x
  2. Step 2: Convert to fraction form
    440,920.16/608,452.10 = 259,639.73/x
  3. Step 3: Cross multiply
    440,920.16x = 608,452.10 × 259,639.73
  4. Step 4: Simplify right side
    440,920.16x = 157,978,339,337.29
  5. Step 5: Solve for x
    x = 157,978,339,337.29/440,920.16
  6. Step 6: Final answer
    x = 358,292.39

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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.