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Finding the Fourth Proportional to 317,334.61, 437,960.53 and 181,374.29

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Solution

The fourth proportional to 317,334.61, 437,960.53 and 181,374.29 is: 250,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,334.61 : 437,960.53 = 181,374.29 : x
  2. Step 2: Convert to fraction form
    317,334.61/437,960.53 = 181,374.29/x
  3. Step 3: Cross multiply
    317,334.61x = 437,960.53 × 181,374.29
  4. Step 4: Simplify right side
    317,334.61x = 79,434,780,176.77
  5. Step 5: Solve for x
    x = 79,434,780,176.77/317,334.61
  6. Step 6: Final answer
    x = 250,318.68

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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.