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Finding the Fourth Proportional to 474,512.76, 654,872.13 and 283,522.05

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Solution

The fourth proportional to 474,512.76, 654,872.13 and 283,522.05 is: 391,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,512.76 : 654,872.13 = 283,522.05 : x
  2. Step 2: Convert to fraction form
    474,512.76/654,872.13 = 283,522.05/x
  3. Step 3: Cross multiply
    474,512.76x = 654,872.13 × 283,522.05
  4. Step 4: Simplify right side
    474,512.76x = 185,670,688,785.47
  5. Step 5: Solve for x
    x = 185,670,688,785.47/474,512.76
  6. Step 6: Final answer
    x = 391,287.03

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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.