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Finding the Fourth Proportional to 322,753.48, 445,368.60 and 186,760.32

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Solution

The fourth proportional to 322,753.48, 445,368.60 and 186,760.32 is: 257,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,753.48 : 445,368.60 = 186,760.32 : x
  2. Step 2: Convert to fraction form
    322,753.48/445,368.60 = 186,760.32/x
  3. Step 3: Cross multiply
    322,753.48x = 445,368.60 × 186,760.32
  4. Step 4: Simplify right side
    322,753.48x = 83,177,182,253.95
  5. Step 5: Solve for x
    x = 83,177,182,253.95/322,753.48
  6. Step 6: Final answer
    x = 257,711.19

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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.