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Finding the Fourth Proportional to 307,892.46, 424,779.27 and 180,543.42

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Solution

The fourth proportional to 307,892.46, 424,779.27 and 180,543.42 is: 249,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,892.46 : 424,779.27 = 180,543.42 : x
  2. Step 2: Convert to fraction form
    307,892.46/424,779.27 = 180,543.42/x
  3. Step 3: Cross multiply
    307,892.46x = 424,779.27 × 180,543.42
  4. Step 4: Simplify right side
    307,892.46x = 76,691,102,150.90
  5. Step 5: Solve for x
    x = 76,691,102,150.90/307,892.46
  6. Step 6: Final answer
    x = 249,084.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.