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Finding the Fourth Proportional to 334,627.40, 502,111.20 and 222,385.70

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Solution

The fourth proportional to 334,627.40, 502,111.20 and 222,385.70 is: 333,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,627.40 : 502,111.20 = 222,385.70 : x
  2. Step 2: Convert to fraction form
    334,627.40/502,111.20 = 222,385.70/x
  3. Step 3: Cross multiply
    334,627.40x = 502,111.20 × 222,385.70
  4. Step 4: Simplify right side
    334,627.40x = 111,662,350,689.84
  5. Step 5: Solve for x
    x = 111,662,350,689.84/334,627.40
  6. Step 6: Final answer
    x = 333,691.59

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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.