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Finding the Fourth Proportional to 218,375.30, 327,561.04 and 60,603.76

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Solution

The fourth proportional to 218,375.30, 327,561.04 and 60,603.76 is: 90,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,375.30 : 327,561.04 = 60,603.76 : x
  2. Step 2: Convert to fraction form
    218,375.30/327,561.04 = 60,603.76/x
  3. Step 3: Cross multiply
    218,375.30x = 327,561.04 × 60,603.76
  4. Step 4: Simplify right side
    218,375.30x = 19,851,430,653.51
  5. Step 5: Solve for x
    x = 19,851,430,653.51/218,375.30
  6. Step 6: Final answer
    x = 90,905.11

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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.