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Finding the Fourth Proportional to 569,843.80, 853,728.90 and 464,090.20

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Solution

The fourth proportional to 569,843.80, 853,728.90 and 464,090.20 is: 695,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,843.80 : 853,728.90 = 464,090.20 : x
  2. Step 2: Convert to fraction form
    569,843.80/853,728.90 = 464,090.20/x
  3. Step 3: Cross multiply
    569,843.80x = 853,728.90 × 464,090.20
  4. Step 4: Simplify right side
    569,843.80x = 396,207,215,946.78
  5. Step 5: Solve for x
    x = 396,207,215,946.78/569,843.80
  6. Step 6: Final answer
    x = 695,290.91

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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.