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Finding the Fourth Proportional to 298,001.90, 447,002.85 and 179,612.30

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Solution

The fourth proportional to 298,001.90, 447,002.85 and 179,612.30 is: 269,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,001.90 : 447,002.85 = 179,612.30 : x
  2. Step 2: Convert to fraction form
    298,001.90/447,002.85 = 179,612.30/x
  3. Step 3: Cross multiply
    298,001.90x = 447,002.85 × 179,612.30
  4. Step 4: Simplify right side
    298,001.90x = 80,287,209,995.06
  5. Step 5: Solve for x
    x = 80,287,209,995.06/298,001.90
  6. Step 6: Final answer
    x = 269,418.45

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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.