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Finding the Fourth Proportional to 297,789.60, 446,565.60 and 98,054.40

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Solution

The fourth proportional to 297,789.60, 446,565.60 and 98,054.40 is: 147,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,789.60 : 446,565.60 = 98,054.40 : x
  2. Step 2: Convert to fraction form
    297,789.60/446,565.60 = 98,054.40/x
  3. Step 3: Cross multiply
    297,789.60x = 446,565.60 × 98,054.40
  4. Step 4: Simplify right side
    297,789.60x = 43,787,721,968.64
  5. Step 5: Solve for x
    x = 43,787,721,968.64/297,789.60
  6. Step 6: Final answer
    x = 147,042.48

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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.