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Finding the Fourth Proportional to 441,931, 609,864.78 and 240,727

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Solution

The fourth proportional to 441,931, 609,864.78 and 240,727 is: 332,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,931 : 609,864.78 = 240,727 : x
  2. Step 2: Convert to fraction form
    441,931/609,864.78 = 240,727/x
  3. Step 3: Cross multiply
    441,931x = 609,864.78 × 240,727
  4. Step 4: Simplify right side
    441,931x = 146,810,918,895.06
  5. Step 5: Solve for x
    x = 146,810,918,895.06/441,931
  6. Step 6: Final answer
    x = 332,203.26

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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.