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Finding the Fourth Proportional to 307,817.01, 424,765.62 and 180,468

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Solution

The fourth proportional to 307,817.01, 424,765.62 and 180,468 is: 249,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,817.01 : 424,765.62 = 180,468 : x
  2. Step 2: Convert to fraction form
    307,817.01/424,765.62 = 180,468/x
  3. Step 3: Cross multiply
    307,817.01x = 424,765.62 × 180,468
  4. Step 4: Simplify right side
    307,817.01x = 76,656,601,910.16
  5. Step 5: Solve for x
    x = 76,656,601,910.16/307,817.01
  6. Step 6: Final answer
    x = 249,033.03

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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.