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Finding the Fourth Proportional to 293,356.62, 440,047.44 and 103,818.60

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Solution

The fourth proportional to 293,356.62, 440,047.44 and 103,818.60 is: 155,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,356.62 : 440,047.44 = 103,818.60 : x
  2. Step 2: Convert to fraction form
    293,356.62/440,047.44 = 103,818.60/x
  3. Step 3: Cross multiply
    293,356.62x = 440,047.44 × 103,818.60
  4. Step 4: Simplify right side
    293,356.62x = 45,685,109,154.38
  5. Step 5: Solve for x
    x = 45,685,109,154.38/293,356.62
  6. Step 6: Final answer
    x = 155,732.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.