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Finding the Fourth Proportional to 672,001.90, 952,003.21 and 672,001.90

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Solution

The fourth proportional to 672,001.90, 952,003.21 and 672,001.90 is: 952,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,001.90 : 952,003.21 = 672,001.90 : x
  2. Step 2: Convert to fraction form
    672,001.90/952,003.21 = 672,001.90/x
  3. Step 3: Cross multiply
    672,001.90x = 952,003.21 × 672,001.90
  4. Step 4: Simplify right side
    672,001.90x = 639,747,965,926.10
  5. Step 5: Solve for x
    x = 639,747,965,926.10/672,001.90
  6. Step 6: Final answer
    x = 952,003.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.