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Finding the Fourth Proportional to 334,825.60, 502,180.80 and 124,355.20

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Solution

The fourth proportional to 334,825.60, 502,180.80 and 124,355.20 is: 186,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,825.60 : 502,180.80 = 124,355.20 : x
  2. Step 2: Convert to fraction form
    334,825.60/502,180.80 = 124,355.20/x
  3. Step 3: Cross multiply
    334,825.60x = 502,180.80 × 124,355.20
  4. Step 4: Simplify right side
    334,825.60x = 62,448,793,820.16
  5. Step 5: Solve for x
    x = 62,448,793,820.16/334,825.60
  6. Step 6: Final answer
    x = 186,511.41

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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.