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Finding the Fourth Proportional to 360,009.87, 496,810.44 and 198,876.12

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Solution

The fourth proportional to 360,009.87, 496,810.44 and 198,876.12 is: 274,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,009.87 : 496,810.44 = 198,876.12 : x
  2. Step 2: Convert to fraction form
    360,009.87/496,810.44 = 198,876.12/x
  3. Step 3: Cross multiply
    360,009.87x = 496,810.44 × 198,876.12
  4. Step 4: Simplify right side
    360,009.87x = 98,803,732,682.69
  5. Step 5: Solve for x
    x = 98,803,732,682.69/360,009.87
  6. Step 6: Final answer
    x = 274,447.29

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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.