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Finding the Fourth Proportional to 334,902.80, 502,305.60 and 98,220.80

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Solution

The fourth proportional to 334,902.80, 502,305.60 and 98,220.80 is: 147,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,902.80 : 502,305.60 = 98,220.80 : x
  2. Step 2: Convert to fraction form
    334,902.80/502,305.60 = 98,220.80/x
  3. Step 3: Cross multiply
    334,902.80x = 502,305.60 × 98,220.80
  4. Step 4: Simplify right side
    334,902.80x = 49,336,857,876.48
  5. Step 5: Solve for x
    x = 49,336,857,876.48/334,902.80
  6. Step 6: Final answer
    x = 147,316.95

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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.