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Finding the Fourth Proportional to 474,976.80, 655,432.65 and 268,232.67

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Solution

The fourth proportional to 474,976.80, 655,432.65 and 268,232.67 is: 370,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,976.80 : 655,432.65 = 268,232.67 : x
  2. Step 2: Convert to fraction form
    474,976.80/655,432.65 = 268,232.67/x
  3. Step 3: Cross multiply
    474,976.80x = 655,432.65 × 268,232.67
  4. Step 4: Simplify right side
    474,976.80x = 175,808,449,714.68
  5. Step 5: Solve for x
    x = 175,808,449,714.68/474,976.80
  6. Step 6: Final answer
    x = 370,141.13

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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.