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Finding the Fourth Proportional to 464,250.40, 640,675.24 and 263,046.40

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Solution

The fourth proportional to 464,250.40, 640,675.24 and 263,046.40 is: 363,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,250.40 : 640,675.24 = 263,046.40 : x
  2. Step 2: Convert to fraction form
    464,250.40/640,675.24 = 263,046.40/x
  3. Step 3: Cross multiply
    464,250.40x = 640,675.24 × 263,046.40
  4. Step 4: Simplify right side
    464,250.40x = 168,527,315,451.14
  5. Step 5: Solve for x
    x = 168,527,315,451.14/464,250.40
  6. Step 6: Final answer
    x = 363,009.52

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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.