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Finding the Fourth Proportional to 360,971.74, 498,146.87 and 197,625.49

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Solution

The fourth proportional to 360,971.74, 498,146.87 and 197,625.49 is: 272,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,971.74 : 498,146.87 = 197,625.49 : x
  2. Step 2: Convert to fraction form
    360,971.74/498,146.87 = 197,625.49/x
  3. Step 3: Cross multiply
    360,971.74x = 498,146.87 × 197,625.49
  4. Step 4: Simplify right side
    360,971.74x = 98,446,519,275.72
  5. Step 5: Solve for x
    x = 98,446,519,275.72/360,971.74
  6. Step 6: Final answer
    x = 272,726.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.