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Finding the Fourth Proportional to 534,209.32, 800,760.48 and 334,070.20

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Solution

The fourth proportional to 534,209.32, 800,760.48 and 334,070.20 is: 500,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,209.32 : 800,760.48 = 334,070.20 : x
  2. Step 2: Convert to fraction form
    534,209.32/800,760.48 = 334,070.20/x
  3. Step 3: Cross multiply
    534,209.32x = 800,760.48 × 334,070.20
  4. Step 4: Simplify right side
    534,209.32x = 267,510,213,705.70
  5. Step 5: Solve for x
    x = 267,510,213,705.70/534,209.32
  6. Step 6: Final answer
    x = 500,759.17

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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.