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Finding the Fourth Proportional to 474,476.54, 654,713.08 and 283,449.38

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Solution

The fourth proportional to 474,476.54, 654,713.08 and 283,449.38 is: 391,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,476.54 : 654,713.08 = 283,449.38 : x
  2. Step 2: Convert to fraction form
    474,476.54/654,713.08 = 283,449.38/x
  3. Step 3: Cross multiply
    474,476.54x = 654,713.08 × 283,449.38
  4. Step 4: Simplify right side
    474,476.54x = 185,578,012,621.70
  5. Step 5: Solve for x
    x = 185,578,012,621.70/474,476.54
  6. Step 6: Final answer
    x = 391,121.58

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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.