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Finding the Fourth Proportional to 317,083.60, 437,570.40 and 173,844.88

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Solution

The fourth proportional to 317,083.60, 437,570.40 and 173,844.88 is: 239,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,083.60 : 437,570.40 = 173,844.88 : x
  2. Step 2: Convert to fraction form
    317,083.60/437,570.40 = 173,844.88/x
  3. Step 3: Cross multiply
    317,083.60x = 437,570.40 × 173,844.88
  4. Step 4: Simplify right side
    317,083.60x = 76,069,373,679.55
  5. Step 5: Solve for x
    x = 76,069,373,679.55/317,083.60
  6. Step 6: Final answer
    x = 239,903.21

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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.