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Finding the Fourth Proportional to 444,001.20, 666,001.80 and 163,460.40

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Solution

The fourth proportional to 444,001.20, 666,001.80 and 163,460.40 is: 245,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,001.20 : 666,001.80 = 163,460.40 : x
  2. Step 2: Convert to fraction form
    444,001.20/666,001.80 = 163,460.40/x
  3. Step 3: Cross multiply
    444,001.20x = 666,001.80 × 163,460.40
  4. Step 4: Simplify right side
    444,001.20x = 108,864,920,628.72
  5. Step 5: Solve for x
    x = 108,864,920,628.72/444,001.20
  6. Step 6: Final answer
    x = 245,190.60

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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.