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Finding the Fourth Proportional to 218,353.32, 327,005.10 and 124,574.76

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Solution

The fourth proportional to 218,353.32, 327,005.10 and 124,574.76 is: 186,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,353.32 : 327,005.10 = 124,574.76 : x
  2. Step 2: Convert to fraction form
    218,353.32/327,005.10 = 124,574.76/x
  3. Step 3: Cross multiply
    218,353.32x = 327,005.10 × 124,574.76
  4. Step 4: Simplify right side
    218,353.32x = 40,736,581,851.28
  5. Step 5: Solve for x
    x = 40,736,581,851.28/218,353.32
  6. Step 6: Final answer
    x = 186,562.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.