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Finding the Fourth Proportional to 448,366.20, 671,966.10 and 181,908.60

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Solution

The fourth proportional to 448,366.20, 671,966.10 and 181,908.60 is: 272,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,366.20 : 671,966.10 = 181,908.60 : x
  2. Step 2: Convert to fraction form
    448,366.20/671,966.10 = 181,908.60/x
  3. Step 3: Cross multiply
    448,366.20x = 671,966.10 × 181,908.60
  4. Step 4: Simplify right side
    448,366.20x = 122,236,412,498.46
  5. Step 5: Solve for x
    x = 122,236,412,498.46/448,366.20
  6. Step 6: Final answer
    x = 272,626.29

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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.