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Finding the Fourth Proportional to 298,886.60, 448,426.82 and 178,924.86

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Solution

The fourth proportional to 298,886.60, 448,426.82 and 178,924.86 is: 268,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,886.60 : 448,426.82 = 178,924.86 : x
  2. Step 2: Convert to fraction form
    298,886.60/448,426.82 = 178,924.86/x
  3. Step 3: Cross multiply
    298,886.60x = 448,426.82 × 178,924.86
  4. Step 4: Simplify right side
    298,886.60x = 80,234,705,988.75
  5. Step 5: Solve for x
    x = 80,234,705,988.75/298,886.60
  6. Step 6: Final answer
    x = 268,445.31

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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.