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Finding the Fourth Proportional to 317,269.61, 437,771.48 and 181,346.64

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Solution

The fourth proportional to 317,269.61, 437,771.48 and 181,346.64 is: 250,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,269.61 : 437,771.48 = 181,346.64 : x
  2. Step 2: Convert to fraction form
    317,269.61/437,771.48 = 181,346.64/x
  3. Step 3: Cross multiply
    317,269.61x = 437,771.48 × 181,346.64
  4. Step 4: Simplify right side
    317,269.61x = 79,388,386,079.09
  5. Step 5: Solve for x
    x = 79,388,386,079.09/317,269.61
  6. Step 6: Final answer
    x = 250,223.74

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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.