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Finding the Fourth Proportional to 317,188.53, 437,725.78 and 173,947.32

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Solution

The fourth proportional to 317,188.53, 437,725.78 and 173,947.32 is: 240,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,188.53 : 437,725.78 = 173,947.32 : x
  2. Step 2: Convert to fraction form
    317,188.53/437,725.78 = 173,947.32/x
  3. Step 3: Cross multiply
    317,188.53x = 437,725.78 × 173,947.32
  4. Step 4: Simplify right side
    317,188.53x = 76,141,226,325.91
  5. Step 5: Solve for x
    x = 76,141,226,325.91/317,188.53
  6. Step 6: Final answer
    x = 240,050.38

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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.