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Finding the Fourth Proportional to 554,990.04, 832,391.13 and 155,538.87

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Solution

The fourth proportional to 554,990.04, 832,391.13 and 155,538.87 is: 233,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,990.04 : 832,391.13 = 155,538.87 : x
  2. Step 2: Convert to fraction form
    554,990.04/832,391.13 = 155,538.87/x
  3. Step 3: Cross multiply
    554,990.04x = 832,391.13 × 155,538.87
  4. Step 4: Simplify right side
    554,990.04x = 129,469,175,758.22
  5. Step 5: Solve for x
    x = 129,469,175,758.22/554,990.04
  6. Step 6: Final answer
    x = 233,281.98

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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.