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Finding the Fourth Proportional to 397,334.80, 596,002.20 and 172,948.60

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Solution

The fourth proportional to 397,334.80, 596,002.20 and 172,948.60 is: 259,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,334.80 : 596,002.20 = 172,948.60 : x
  2. Step 2: Convert to fraction form
    397,334.80/596,002.20 = 172,948.60/x
  3. Step 3: Cross multiply
    397,334.80x = 596,002.20 × 172,948.60
  4. Step 4: Simplify right side
    397,334.80x = 103,077,746,086.92
  5. Step 5: Solve for x
    x = 103,077,746,086.92/397,334.80
  6. Step 6: Final answer
    x = 259,422.90

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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.