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Finding the Fourth Proportional to 318,263.39, 439,194.72 and 175,023.43

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Solution

The fourth proportional to 318,263.39, 439,194.72 and 175,023.43 is: 241,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,263.39 : 439,194.72 = 175,023.43 : x
  2. Step 2: Convert to fraction form
    318,263.39/439,194.72 = 175,023.43/x
  3. Step 3: Cross multiply
    318,263.39x = 439,194.72 × 175,023.43
  4. Step 4: Simplify right side
    318,263.39x = 76,869,366,224.95
  5. Step 5: Solve for x
    x = 76,869,366,224.95/318,263.39
  6. Step 6: Final answer
    x = 241,527.52

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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.