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Finding the Fourth Proportional to 421,147.89, 632,159.24 and 244,000.89

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Solution

The fourth proportional to 421,147.89, 632,159.24 and 244,000.89 is: 366,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,147.89 : 632,159.24 = 244,000.89 : x
  2. Step 2: Convert to fraction form
    421,147.89/632,159.24 = 244,000.89/x
  3. Step 3: Cross multiply
    421,147.89x = 632,159.24 × 244,000.89
  4. Step 4: Simplify right side
    421,147.89x = 154,247,415,961.72
  5. Step 5: Solve for x
    x = 154,247,415,961.72/421,147.89
  6. Step 6: Final answer
    x = 366,254.75

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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.