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Finding the Fourth Proportional to 506,223.40, 759,343.20 and 132,246.40

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Solution

The fourth proportional to 506,223.40, 759,343.20 and 132,246.40 is: 198,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,223.40 : 759,343.20 = 132,246.40 : x
  2. Step 2: Convert to fraction form
    506,223.40/759,343.20 = 132,246.40/x
  3. Step 3: Cross multiply
    506,223.40x = 759,343.20 × 132,246.40
  4. Step 4: Simplify right side
    506,223.40x = 100,420,404,564.48
  5. Step 5: Solve for x
    x = 100,420,404,564.48/506,223.40
  6. Step 6: Final answer
    x = 198,371.72

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1.5x scale

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.