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Finding the Fourth Proportional to 554,555.30, 831,833.08 and 155,254.88

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Solution

The fourth proportional to 554,555.30, 831,833.08 and 155,254.88 is: 232,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,555.30 : 831,833.08 = 155,254.88 : x
  2. Step 2: Convert to fraction form
    554,555.30/831,833.08 = 155,254.88/x
  3. Step 3: Cross multiply
    554,555.30x = 831,833.08 × 155,254.88
  4. Step 4: Simplify right side
    554,555.30x = 129,146,146,706.88
  5. Step 5: Solve for x
    x = 129,146,146,706.88/554,555.30
  6. Step 6: Final answer
    x = 232,882.36

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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.