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Finding the Fourth Proportional to 220,347.42, 330,528.93 and 70,568.22

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Solution

The fourth proportional to 220,347.42, 330,528.93 and 70,568.22 is: 105,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,347.42 : 330,528.93 = 70,568.22 : x
  2. Step 2: Convert to fraction form
    220,347.42/330,528.93 = 70,568.22/x
  3. Step 3: Cross multiply
    220,347.42x = 330,528.93 × 70,568.22
  4. Step 4: Simplify right side
    220,347.42x = 23,324,838,248.60
  5. Step 5: Solve for x
    x = 23,324,838,248.60/220,347.42
  6. Step 6: Final answer
    x = 105,854.83

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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.