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Finding the Fourth Proportional to 299,221.56, 448,444.55 and 121,522.14

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Solution

The fourth proportional to 299,221.56, 448,444.55 and 121,522.14 is: 182,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,221.56 : 448,444.55 = 121,522.14 : x
  2. Step 2: Convert to fraction form
    299,221.56/448,444.55 = 121,522.14/x
  3. Step 3: Cross multiply
    299,221.56x = 448,444.55 × 121,522.14
  4. Step 4: Simplify right side
    299,221.56x = 54,495,940,779.73
  5. Step 5: Solve for x
    x = 54,495,940,779.73/299,221.56
  6. Step 6: Final answer
    x = 182,125.72

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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.