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Finding the Fourth Proportional to 444,319.20, 666,478.80 and 195,001.20

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Solution

The fourth proportional to 444,319.20, 666,478.80 and 195,001.20 is: 292,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,319.20 : 666,478.80 = 195,001.20 : x
  2. Step 2: Convert to fraction form
    444,319.20/666,478.80 = 195,001.20/x
  3. Step 3: Cross multiply
    444,319.20x = 666,478.80 × 195,001.20
  4. Step 4: Simplify right side
    444,319.20x = 129,964,165,774.56
  5. Step 5: Solve for x
    x = 129,964,165,774.56/444,319.20
  6. Step 6: Final answer
    x = 292,501.80

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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.