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Finding the Fourth Proportional to 220,501.42, 330,335.91 and 130,274.91

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Solution

The fourth proportional to 220,501.42, 330,335.91 and 130,274.91 is: 195,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,501.42 : 330,335.91 = 130,274.91 : x
  2. Step 2: Convert to fraction form
    220,501.42/330,335.91 = 130,274.91/x
  3. Step 3: Cross multiply
    220,501.42x = 330,335.91 × 130,274.91
  4. Step 4: Simplify right side
    220,501.42x = 43,034,480,945.02
  5. Step 5: Solve for x
    x = 43,034,480,945.02/220,501.42
  6. Step 6: Final answer
    x = 195,166.46

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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.