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Finding the Fourth Proportional to 239,493.43, 330,498.51 and 130,597.50

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Solution

The fourth proportional to 239,493.43, 330,498.51 and 130,597.50 is: 180,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493.43 : 330,498.51 = 130,597.50 : x
  2. Step 2: Convert to fraction form
    239,493.43/330,498.51 = 130,597.50/x
  3. Step 3: Cross multiply
    239,493.43x = 330,498.51 × 130,597.50
  4. Step 4: Simplify right side
    239,493.43x = 43,162,279,909.35
  5. Step 5: Solve for x
    x = 43,162,279,909.35/239,493.43
  6. Step 6: Final answer
    x = 180,223.23

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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.