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Finding the Fourth Proportional to 216,016.40, 324,024.60 and 195,280.40

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Solution

The fourth proportional to 216,016.40, 324,024.60 and 195,280.40 is: 292,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,016.40 : 324,024.60 = 195,280.40 : x
  2. Step 2: Convert to fraction form
    216,016.40/324,024.60 = 195,280.40/x
  3. Step 3: Cross multiply
    216,016.40x = 324,024.60 × 195,280.40
  4. Step 4: Simplify right side
    216,016.40x = 63,275,653,497.84
  5. Step 5: Solve for x
    x = 63,275,653,497.84/216,016.40
  6. Step 6: Final answer
    x = 292,920.60

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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.