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Finding the Fourth Proportional to 421,505.69, 632,404.33 and 244,167.53

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Solution

The fourth proportional to 421,505.69, 632,404.33 and 244,167.53 is: 366,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,505.69 : 632,404.33 = 244,167.53 : x
  2. Step 2: Convert to fraction form
    421,505.69/632,404.33 = 244,167.53/x
  3. Step 3: Cross multiply
    421,505.69x = 632,404.33 × 244,167.53
  4. Step 4: Simplify right side
    421,505.69x = 154,412,599,444.96
  5. Step 5: Solve for x
    x = 154,412,599,444.96/421,505.69
  6. Step 6: Final answer
    x = 366,335.75

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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.