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Finding the Fourth Proportional to 220,448.16, 330,660.72 and 62,655.84

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Solution

The fourth proportional to 220,448.16, 330,660.72 and 62,655.84 is: 93,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,448.16 : 330,660.72 = 62,655.84 : x
  2. Step 2: Convert to fraction form
    220,448.16/330,660.72 = 62,655.84/x
  3. Step 3: Cross multiply
    220,448.16x = 330,660.72 × 62,655.84
  4. Step 4: Simplify right side
    220,448.16x = 20,717,825,166.60
  5. Step 5: Solve for x
    x = 20,717,825,166.60/220,448.16
  6. Step 6: Final answer
    x = 93,980.49

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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.