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Finding the Fourth Proportional to 574,593.12, 862,261.44 and 259,030.80

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Solution

The fourth proportional to 574,593.12, 862,261.44 and 259,030.80 is: 388,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,593.12 : 862,261.44 = 259,030.80 : x
  2. Step 2: Convert to fraction form
    574,593.12/862,261.44 = 259,030.80/x
  3. Step 3: Cross multiply
    574,593.12x = 862,261.44 × 259,030.80
  4. Step 4: Simplify right side
    574,593.12x = 223,352,270,612.35
  5. Step 5: Solve for x
    x = 223,352,270,612.35/574,593.12
  6. Step 6: Final answer
    x = 388,713.79

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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.