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Finding the Fourth Proportional to 233,021.20, 349,531.80 and 149,040.40

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Solution

The fourth proportional to 233,021.20, 349,531.80 and 149,040.40 is: 223,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,021.20 : 349,531.80 = 149,040.40 : x
  2. Step 2: Convert to fraction form
    233,021.20/349,531.80 = 149,040.40/x
  3. Step 3: Cross multiply
    233,021.20x = 349,531.80 × 149,040.40
  4. Step 4: Simplify right side
    233,021.20x = 52,094,359,284.72
  5. Step 5: Solve for x
    x = 52,094,359,284.72/233,021.20
  6. Step 6: Final answer
    x = 223,560.60

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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.