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Finding the Fourth Proportional to 318,546.75, 439,594.56 and 175,306.77

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Solution

The fourth proportional to 318,546.75, 439,594.56 and 175,306.77 is: 241,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,546.75 : 439,594.56 = 175,306.77 : x
  2. Step 2: Convert to fraction form
    318,546.75/439,594.56 = 175,306.77/x
  3. Step 3: Cross multiply
    318,546.75x = 439,594.56 × 175,306.77
  4. Step 4: Simplify right side
    318,546.75x = 77,063,902,423.17
  5. Step 5: Solve for x
    x = 77,063,902,423.17/318,546.75
  6. Step 6: Final answer
    x = 241,923.37

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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.