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Finding the Fourth Proportional to 360,375.68, 497,332.44 and 239,308.20

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Solution

The fourth proportional to 360,375.68, 497,332.44 and 239,308.20 is: 330,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,375.68 : 497,332.44 = 239,308.20 : x
  2. Step 2: Convert to fraction form
    360,375.68/497,332.44 = 239,308.20/x
  3. Step 3: Cross multiply
    360,375.68x = 497,332.44 × 239,308.20
  4. Step 4: Simplify right side
    360,375.68x = 119,015,731,018.01
  5. Step 5: Solve for x
    x = 119,015,731,018.01/360,375.68
  6. Step 6: Final answer
    x = 330,254.61

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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.