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Finding the Fourth Proportional to 334,891.40, 502,337.10 and 98,241.80

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Solution

The fourth proportional to 334,891.40, 502,337.10 and 98,241.80 is: 147,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,891.40 : 502,337.10 = 98,241.80 : x
  2. Step 2: Convert to fraction form
    334,891.40/502,337.10 = 98,241.80/x
  3. Step 3: Cross multiply
    334,891.40x = 502,337.10 × 98,241.80
  4. Step 4: Simplify right side
    334,891.40x = 49,350,500,910.78
  5. Step 5: Solve for x
    x = 49,350,500,910.78/334,891.40
  6. Step 6: Final answer
    x = 147,362.70

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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.