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Finding the Fourth Proportional to 317,331, 437,955.52 and 181,370.68

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Solution

The fourth proportional to 317,331, 437,955.52 and 181,370.68 is: 250,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,331 : 437,955.52 = 181,370.68 : x
  2. Step 2: Convert to fraction form
    317,331/437,955.52 = 181,370.68/x
  3. Step 3: Cross multiply
    317,331x = 437,955.52 × 181,370.68
  4. Step 4: Simplify right side
    317,331x = 79,432,290,472.15
  5. Step 5: Solve for x
    x = 79,432,290,472.15/317,331
  6. Step 6: Final answer
    x = 250,313.68

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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.