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Finding the Fourth Proportional to 453,371.40, 680,095.17 and 137,831.04

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Solution

The fourth proportional to 453,371.40, 680,095.17 and 137,831.04 is: 206,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,371.40 : 680,095.17 = 137,831.04 : x
  2. Step 2: Convert to fraction form
    453,371.40/680,095.17 = 137,831.04/x
  3. Step 3: Cross multiply
    453,371.40x = 680,095.17 × 137,831.04
  4. Step 4: Simplify right side
    453,371.40x = 93,738,224,580.08
  5. Step 5: Solve for x
    x = 93,738,224,580.08/453,371.40
  6. Step 6: Final answer
    x = 206,758.13

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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.