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Finding the Fourth Proportional to 220,437.59, 330,393.87 and 153,515.39

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Solution

The fourth proportional to 220,437.59, 330,393.87 and 153,515.39 is: 230,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,437.59 : 330,393.87 = 153,515.39 : x
  2. Step 2: Convert to fraction form
    220,437.59/330,393.87 = 153,515.39/x
  3. Step 3: Cross multiply
    220,437.59x = 330,393.87 × 153,515.39
  4. Step 4: Simplify right side
    220,437.59x = 50,720,542,154.69
  5. Step 5: Solve for x
    x = 50,720,542,154.69/220,437.59
  6. Step 6: Final answer
    x = 230,090.26

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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.