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Finding the Fourth Proportional to 317,604.22, 438,294.56 and 174,373.48

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Solution

The fourth proportional to 317,604.22, 438,294.56 and 174,373.48 is: 240,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,604.22 : 438,294.56 = 174,373.48 : x
  2. Step 2: Convert to fraction form
    317,604.22/438,294.56 = 174,373.48/x
  3. Step 3: Cross multiply
    317,604.22x = 438,294.56 × 174,373.48
  4. Step 4: Simplify right side
    317,604.22x = 76,426,947,692.27
  5. Step 5: Solve for x
    x = 76,426,947,692.27/317,604.22
  6. Step 6: Final answer
    x = 240,635.81

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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.