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Finding the Fourth Proportional to 431,310.10, 595,210.31 and 250,129.46

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Solution

The fourth proportional to 431,310.10, 595,210.31 and 250,129.46 is: 345,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,310.10 : 595,210.31 = 250,129.46 : x
  2. Step 2: Convert to fraction form
    431,310.10/595,210.31 = 250,129.46/x
  3. Step 3: Cross multiply
    431,310.10x = 595,210.31 × 250,129.46
  4. Step 4: Simplify right side
    431,310.10x = 148,879,630,138.02
  5. Step 5: Solve for x
    x = 148,879,630,138.02/431,310.10
  6. Step 6: Final answer
    x = 345,180.02

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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.