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Finding the Fourth Proportional to 617,633.76, 926,487.36 and 238,557.36

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Solution

The fourth proportional to 617,633.76, 926,487.36 and 238,557.36 is: 357,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,633.76 : 926,487.36 = 238,557.36 : x
  2. Step 2: Convert to fraction form
    617,633.76/926,487.36 = 238,557.36/x
  3. Step 3: Cross multiply
    617,633.76x = 926,487.36 × 238,557.36
  4. Step 4: Simplify right side
    617,633.76x = 221,020,378,674.97
  5. Step 5: Solve for x
    x = 221,020,378,674.97/617,633.76
  6. Step 6: Final answer
    x = 357,850.22

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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.