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Finding the Fourth Proportional to 297,781.64, 446,701.62 and 98,020.52

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Solution

The fourth proportional to 297,781.64, 446,701.62 and 98,020.52 is: 147,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,781.64 : 446,701.62 = 98,020.52 : x
  2. Step 2: Convert to fraction form
    297,781.64/446,701.62 = 98,020.52/x
  3. Step 3: Cross multiply
    297,781.64x = 446,701.62 × 98,020.52
  4. Step 4: Simplify right side
    297,781.64x = 43,785,925,077.24
  5. Step 5: Solve for x
    x = 43,785,925,077.24/297,781.64
  6. Step 6: Final answer
    x = 147,040.38

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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.