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Finding the Fourth Proportional to 652,215.70, 978,323.55 and 333,351.10

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Solution

The fourth proportional to 652,215.70, 978,323.55 and 333,351.10 is: 500,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,215.70 : 978,323.55 = 333,351.10 : x
  2. Step 2: Convert to fraction form
    652,215.70/978,323.55 = 333,351.10/x
  3. Step 3: Cross multiply
    652,215.70x = 978,323.55 × 333,351.10
  4. Step 4: Simplify right side
    652,215.70x = 326,125,231,548.41
  5. Step 5: Solve for x
    x = 326,125,231,548.41/652,215.70
  6. Step 6: Final answer
    x = 500,026.65

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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.