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Finding the Fourth Proportional to 265,497.68, 366,385.34 and 144,638.66

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Solution

The fourth proportional to 265,497.68, 366,385.34 and 144,638.66 is: 199,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,497.68 : 366,385.34 = 144,638.66 : x
  2. Step 2: Convert to fraction form
    265,497.68/366,385.34 = 144,638.66/x
  3. Step 3: Cross multiply
    265,497.68x = 366,385.34 × 144,638.66
  4. Step 4: Simplify right side
    265,497.68x = 52,993,485,898.80
  5. Step 5: Solve for x
    x = 52,993,485,898.80/265,497.68
  6. Step 6: Final answer
    x = 199,600.56

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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.