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Finding the Fourth Proportional to 487,863.08, 730,847.72 and 359,546.30

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Solution

The fourth proportional to 487,863.08, 730,847.72 and 359,546.30 is: 538,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,863.08 : 730,847.72 = 359,546.30 : x
  2. Step 2: Convert to fraction form
    487,863.08/730,847.72 = 359,546.30/x
  3. Step 3: Cross multiply
    487,863.08x = 730,847.72 × 359,546.30
  4. Step 4: Simplify right side
    487,863.08x = 262,773,593,589.44
  5. Step 5: Solve for x
    x = 262,773,593,589.44/487,863.08
  6. Step 6: Final answer
    x = 538,621.60

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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.