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Finding the Fourth Proportional to 445,701.52, 614,620.20 and 266,957.20

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Solution

The fourth proportional to 445,701.52, 614,620.20 and 266,957.20 is: 368,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,701.52 : 614,620.20 = 266,957.20 : x
  2. Step 2: Convert to fraction form
    445,701.52/614,620.20 = 266,957.20/x
  3. Step 3: Cross multiply
    445,701.52x = 614,620.20 × 266,957.20
  4. Step 4: Simplify right side
    445,701.52x = 164,077,287,655.44
  5. Step 5: Solve for x
    x = 164,077,287,655.44/445,701.52
  6. Step 6: Final answer
    x = 368,132.66

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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.