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Finding the Fourth Proportional to 354,651.20, 532,130.40 and 167,566.40

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Solution

The fourth proportional to 354,651.20, 532,130.40 and 167,566.40 is: 251,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,651.20 : 532,130.40 = 167,566.40 : x
  2. Step 2: Convert to fraction form
    354,651.20/532,130.40 = 167,566.40/x
  3. Step 3: Cross multiply
    354,651.20x = 532,130.40 × 167,566.40
  4. Step 4: Simplify right side
    354,651.20x = 89,167,175,458.56
  5. Step 5: Solve for x
    x = 89,167,175,458.56/354,651.20
  6. Step 6: Final answer
    x = 251,422.17

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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.