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Finding the Fourth Proportional to 617,585.18, 925,735.51 and 238,766.10

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Solution

The fourth proportional to 617,585.18, 925,735.51 and 238,766.10 is: 357,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,585.18 : 925,735.51 = 238,766.10 : x
  2. Step 2: Convert to fraction form
    617,585.18/925,735.51 = 238,766.10/x
  3. Step 3: Cross multiply
    617,585.18x = 925,735.51 × 238,766.10
  4. Step 4: Simplify right side
    617,585.18x = 221,034,259,668.55
  5. Step 5: Solve for x
    x = 221,034,259,668.55/617,585.18
  6. Step 6: Final answer
    x = 357,900.85

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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.