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Finding the Fourth Proportional to 218,362.80, 327,507.56 and 60,607.28

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Solution

The fourth proportional to 218,362.80, 327,507.56 and 60,607.28 is: 90,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,362.80 : 327,507.56 = 60,607.28 : x
  2. Step 2: Convert to fraction form
    218,362.80/327,507.56 = 60,607.28/x
  3. Step 3: Cross multiply
    218,362.80x = 327,507.56 × 60,607.28
  4. Step 4: Simplify right side
    218,362.80x = 19,849,342,391.04
  5. Step 5: Solve for x
    x = 19,849,342,391.04/218,362.80
  6. Step 6: Final answer
    x = 90,900.75

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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.