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Finding the Fourth Proportional to 473,840.62, 653,836.89 and 304,304.38

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Solution

The fourth proportional to 473,840.62, 653,836.89 and 304,304.38 is: 419,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,840.62 : 653,836.89 = 304,304.38 : x
  2. Step 2: Convert to fraction form
    473,840.62/653,836.89 = 304,304.38/x
  3. Step 3: Cross multiply
    473,840.62x = 653,836.89 × 304,304.38
  4. Step 4: Simplify right side
    473,840.62x = 198,965,429,432.58
  5. Step 5: Solve for x
    x = 198,965,429,432.58/473,840.62
  6. Step 6: Final answer
    x = 419,899.48

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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.