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Finding the Fourth Proportional to 307,752.57, 424,769.39 and 180,469.17

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Solution

The fourth proportional to 307,752.57, 424,769.39 and 180,469.17 is: 249,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,752.57 : 424,769.39 = 180,469.17 : x
  2. Step 2: Convert to fraction form
    307,752.57/424,769.39 = 180,469.17/x
  3. Step 3: Cross multiply
    307,752.57x = 424,769.39 × 180,469.17
  4. Step 4: Simplify right side
    307,752.57x = 76,657,779,254.71
  5. Step 5: Solve for x
    x = 76,657,779,254.71/307,752.57
  6. Step 6: Final answer
    x = 249,089.00

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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.