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Finding the Fourth Proportional to 317,115.08, 437,624.74 and 173,866.52

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Solution

The fourth proportional to 317,115.08, 437,624.74 and 173,866.52 is: 239,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,115.08 : 437,624.74 = 173,866.52 : x
  2. Step 2: Convert to fraction form
    317,115.08/437,624.74 = 173,866.52/x
  3. Step 3: Cross multiply
    317,115.08x = 437,624.74 × 173,866.52
  4. Step 4: Simplify right side
    317,115.08x = 76,088,290,609.70
  5. Step 5: Solve for x
    x = 76,088,290,609.70/317,115.08
  6. Step 6: Final answer
    x = 239,939.05

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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.