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Finding the Fourth Proportional to 218,200.48, 327,300.76 and 60,428.96

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Solution

The fourth proportional to 218,200.48, 327,300.76 and 60,428.96 is: 90,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,200.48 : 327,300.76 = 60,428.96 : x
  2. Step 2: Convert to fraction form
    218,200.48/327,300.76 = 60,428.96/x
  3. Step 3: Cross multiply
    218,200.48x = 327,300.76 × 60,428.96
  4. Step 4: Simplify right side
    218,200.48x = 19,778,444,534.01
  5. Step 5: Solve for x
    x = 19,778,444,534.01/218,200.48
  6. Step 6: Final answer
    x = 90,643.45

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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.