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Finding the Fourth Proportional to 318,594.33, 439,650.99 and 175,351.30

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Solution

The fourth proportional to 318,594.33, 439,650.99 and 175,351.30 is: 241,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,594.33 : 439,650.99 = 175,351.30 : x
  2. Step 2: Convert to fraction form
    318,594.33/439,650.99 = 175,351.30/x
  3. Step 3: Cross multiply
    318,594.33x = 439,650.99 × 175,351.30
  4. Step 4: Simplify right side
    318,594.33x = 77,093,371,543.66
  5. Step 5: Solve for x
    x = 77,093,371,543.66/318,594.33
  6. Step 6: Final answer
    x = 241,979.73

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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.