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Finding the Fourth Proportional to 617,564.39, 926,611.52 and 238,751.17

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Solution

The fourth proportional to 617,564.39, 926,611.52 and 238,751.17 is: 358,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,564.39 : 926,611.52 = 238,751.17 : x
  2. Step 2: Convert to fraction form
    617,564.39/926,611.52 = 238,751.17/x
  3. Step 3: Cross multiply
    617,564.39x = 926,611.52 × 238,751.17
  4. Step 4: Simplify right side
    617,564.39x = 221,229,585,645.75
  5. Step 5: Solve for x
    x = 221,229,585,645.75/617,564.39
  6. Step 6: Final answer
    x = 358,229.18

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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.