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Finding the Fourth Proportional to 464,972.09, 696,808.61 and 251,279.29

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Solution

The fourth proportional to 464,972.09, 696,808.61 and 251,279.29 is: 376,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,972.09 : 696,808.61 = 251,279.29 : x
  2. Step 2: Convert to fraction form
    464,972.09/696,808.61 = 251,279.29/x
  3. Step 3: Cross multiply
    464,972.09x = 696,808.61 × 251,279.29
  4. Step 4: Simplify right side
    464,972.09x = 175,093,576,853.40
  5. Step 5: Solve for x
    x = 175,093,576,853.40/464,972.09
  6. Step 6: Final answer
    x = 376,567.93

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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.