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Finding the Fourth Proportional to 265,237.20, 398,293.20 and 176,882.40

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Solution

The fourth proportional to 265,237.20, 398,293.20 and 176,882.40 is: 265,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,237.20 : 398,293.20 = 176,882.40 : x
  2. Step 2: Convert to fraction form
    265,237.20/398,293.20 = 176,882.40/x
  3. Step 3: Cross multiply
    265,237.20x = 398,293.20 × 176,882.40
  4. Step 4: Simplify right side
    265,237.20x = 70,451,057,119.68
  5. Step 5: Solve for x
    x = 70,451,057,119.68/265,237.20
  6. Step 6: Final answer
    x = 265,615.29

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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.