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Finding the Fourth Proportional to 575,460.40, 862,024.20 and 325,850.80

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Solution

The fourth proportional to 575,460.40, 862,024.20 and 325,850.80 is: 488,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,460.40 : 862,024.20 = 325,850.80 : x
  2. Step 2: Convert to fraction form
    575,460.40/862,024.20 = 325,850.80/x
  3. Step 3: Cross multiply
    575,460.40x = 862,024.20 × 325,850.80
  4. Step 4: Simplify right side
    575,460.40x = 280,891,275,189.36
  5. Step 5: Solve for x
    x = 280,891,275,189.36/575,460.40
  6. Step 6: Final answer
    x = 488,115.73

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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.