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Finding the Fourth Proportional to 452,995.32, 679,493.13 and 133,147.26

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Solution

The fourth proportional to 452,995.32, 679,493.13 and 133,147.26 is: 199,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,995.32 : 679,493.13 = 133,147.26 : x
  2. Step 2: Convert to fraction form
    452,995.32/679,493.13 = 133,147.26/x
  3. Step 3: Cross multiply
    452,995.32x = 679,493.13 × 133,147.26
  4. Step 4: Simplify right side
    452,995.32x = 90,472,648,448.32
  5. Step 5: Solve for x
    x = 90,472,648,448.32/452,995.32
  6. Step 6: Final answer
    x = 199,720.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.