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Finding the Fourth Proportional to 299,248.20, 448,872.30 and 133,036.20

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Solution

The fourth proportional to 299,248.20, 448,872.30 and 133,036.20 is: 199,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,248.20 : 448,872.30 = 133,036.20 : x
  2. Step 2: Convert to fraction form
    299,248.20/448,872.30 = 133,036.20/x
  3. Step 3: Cross multiply
    299,248.20x = 448,872.30 × 133,036.20
  4. Step 4: Simplify right side
    299,248.20x = 59,716,265,077.26
  5. Step 5: Solve for x
    x = 59,716,265,077.26/299,248.20
  6. Step 6: Final answer
    x = 199,554.30

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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.