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Finding the Fourth Proportional to 317,473.36, 438,118.52 and 174,246.72

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Solution

The fourth proportional to 317,473.36, 438,118.52 and 174,246.72 is: 240,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,473.36 : 438,118.52 = 174,246.72 : x
  2. Step 2: Convert to fraction form
    317,473.36/438,118.52 = 174,246.72/x
  3. Step 3: Cross multiply
    317,473.36x = 438,118.52 × 174,246.72
  4. Step 4: Simplify right side
    317,473.36x = 76,340,715,081.25
  5. Step 5: Solve for x
    x = 76,340,715,081.25/317,473.36
  6. Step 6: Final answer
    x = 240,463.37

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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.