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Finding the Fourth Proportional to 652,073.76, 978,113.88 and 296,839.26

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Solution

The fourth proportional to 652,073.76, 978,113.88 and 296,839.26 is: 445,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,073.76 : 978,113.88 = 296,839.26 : x
  2. Step 2: Convert to fraction form
    652,073.76/978,113.88 = 296,839.26/x
  3. Step 3: Cross multiply
    652,073.76x = 978,113.88 × 296,839.26
  4. Step 4: Simplify right side
    652,073.76x = 290,342,600,334.93
  5. Step 5: Solve for x
    x = 290,342,600,334.93/652,073.76
  6. Step 6: Final answer
    x = 445,260.36

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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.