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Finding the Fourth Proportional to 371,555.55, 556,943.72 and 181,753.92

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Solution

The fourth proportional to 371,555.55, 556,943.72 and 181,753.92 is: 272,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,555.55 : 556,943.72 = 181,753.92 : x
  2. Step 2: Convert to fraction form
    371,555.55/556,943.72 = 181,753.92/x
  3. Step 3: Cross multiply
    371,555.55x = 556,943.72 × 181,753.92
  4. Step 4: Simplify right side
    371,555.55x = 101,226,703,420.61
  5. Step 5: Solve for x
    x = 101,226,703,420.61/371,555.55
  6. Step 6: Final answer
    x = 272,440.29

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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.