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Finding the Fourth Proportional to 451,240.68, 676,862.58 and 114,281.16

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Solution

The fourth proportional to 451,240.68, 676,862.58 and 114,281.16 is: 171,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,240.68 : 676,862.58 = 114,281.16 : x
  2. Step 2: Convert to fraction form
    451,240.68/676,862.58 = 114,281.16/x
  3. Step 3: Cross multiply
    451,240.68x = 676,862.58 × 114,281.16
  4. Step 4: Simplify right side
    451,240.68x = 77,352,640,802.99
  5. Step 5: Solve for x
    x = 77,352,640,802.99/451,240.68
  6. Step 6: Final answer
    x = 171,422.14

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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.