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Finding the Fourth Proportional to 617,565.89, 926,613.78 and 238,752.68

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Solution

The fourth proportional to 617,565.89, 926,613.78 and 238,752.68 is: 358,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,565.89 : 926,613.78 = 238,752.68 : x
  2. Step 2: Convert to fraction form
    617,565.89/926,613.78 = 238,752.68/x
  3. Step 3: Cross multiply
    617,565.89x = 926,613.78 × 238,752.68
  4. Step 4: Simplify right side
    617,565.89x = 221,231,518,666.86
  5. Step 5: Solve for x
    x = 221,231,518,666.86/617,565.89
  6. Step 6: Final answer
    x = 358,231.44

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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.