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Finding the Fourth Proportional to 317,172.55, 437,708.25 and 173,932.25

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Solution

The fourth proportional to 317,172.55, 437,708.25 and 173,932.25 is: 240,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,172.55 : 437,708.25 = 173,932.25 : x
  2. Step 2: Convert to fraction form
    317,172.55/437,708.25 = 173,932.25/x
  3. Step 3: Cross multiply
    317,172.55x = 437,708.25 × 173,932.25
  4. Step 4: Simplify right side
    317,172.55x = 76,131,580,218.93
  5. Step 5: Solve for x
    x = 76,131,580,218.93/317,172.55
  6. Step 6: Final answer
    x = 240,032.06

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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.