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Finding the Fourth Proportional to 425,375.12, 587,012.91 and 241,612.40

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Solution

The fourth proportional to 425,375.12, 587,012.91 and 241,612.40 is: 333,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,375.12 : 587,012.91 = 241,612.40 : x
  2. Step 2: Convert to fraction form
    425,375.12/587,012.91 = 241,612.40/x
  3. Step 3: Cross multiply
    425,375.12x = 587,012.91 × 241,612.40
  4. Step 4: Simplify right side
    425,375.12x = 141,829,598,016.08
  5. Step 5: Solve for x
    x = 141,829,598,016.08/425,375.12
  6. Step 6: Final answer
    x = 333,422.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.