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Finding the Fourth Proportional to 334,712.80, 502,069.20 and 202,002.40

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Solution

The fourth proportional to 334,712.80, 502,069.20 and 202,002.40 is: 303,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,712.80 : 502,069.20 = 202,002.40 : x
  2. Step 2: Convert to fraction form
    334,712.80/502,069.20 = 202,002.40/x
  3. Step 3: Cross multiply
    334,712.80x = 502,069.20 × 202,002.40
  4. Step 4: Simplify right side
    334,712.80x = 101,419,183,366.08
  5. Step 5: Solve for x
    x = 101,419,183,366.08/334,712.80
  6. Step 6: Final answer
    x = 303,003.60

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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.