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Finding the Fourth Proportional to 558,575.90, 770,891.48 and 329,207.04

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Solution

The fourth proportional to 558,575.90, 770,891.48 and 329,207.04 is: 454,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,575.90 : 770,891.48 = 329,207.04 : x
  2. Step 2: Convert to fraction form
    558,575.90/770,891.48 = 329,207.04/x
  3. Step 3: Cross multiply
    558,575.90x = 770,891.48 × 329,207.04
  4. Step 4: Simplify right side
    558,575.90x = 253,782,902,292.02
  5. Step 5: Solve for x
    x = 253,782,902,292.02/558,575.90
  6. Step 6: Final answer
    x = 454,339.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.