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Finding the Fourth Proportional to 317,241.65, 437,809.52 and 174,015.02

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Solution

The fourth proportional to 317,241.65, 437,809.52 and 174,015.02 is: 240,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,241.65 : 437,809.52 = 174,015.02 : x
  2. Step 2: Convert to fraction form
    317,241.65/437,809.52 = 174,015.02/x
  3. Step 3: Cross multiply
    317,241.65x = 437,809.52 × 174,015.02
  4. Step 4: Simplify right side
    317,241.65x = 76,185,431,508.92
  5. Step 5: Solve for x
    x = 76,185,431,508.92/317,241.65
  6. Step 6: Final answer
    x = 240,149.52

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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.