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Finding the Fourth Proportional to 317,035.40, 437,508.05 and 173,796.08

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Solution

The fourth proportional to 317,035.40, 437,508.05 and 173,796.08 is: 239,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,035.40 : 437,508.05 = 173,796.08 : x
  2. Step 2: Convert to fraction form
    317,035.40/437,508.05 = 173,796.08/x
  3. Step 3: Cross multiply
    317,035.40x = 437,508.05 × 173,796.08
  4. Step 4: Simplify right side
    317,035.40x = 76,037,181,001.92
  5. Step 5: Solve for x
    x = 76,037,181,001.92/317,035.40
  6. Step 6: Final answer
    x = 239,838.14

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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.