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Finding the Fourth Proportional to 331,551.50, 457,541.08 and 180,648.50

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Solution

The fourth proportional to 331,551.50, 457,541.08 and 180,648.50 is: 249,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,551.50 : 457,541.08 = 180,648.50 : x
  2. Step 2: Convert to fraction form
    331,551.50/457,541.08 = 180,648.50/x
  3. Step 3: Cross multiply
    331,551.50x = 457,541.08 × 180,648.50
  4. Step 4: Simplify right side
    331,551.50x = 82,654,109,790.38
  5. Step 5: Solve for x
    x = 82,654,109,790.38/331,551.50
  6. Step 6: Final answer
    x = 249,294.94

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1.5x scale

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.