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Finding the Fourth Proportional to 296,578, 444,869.16 and 74,962

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Solution

The fourth proportional to 296,578, 444,869.16 and 74,962 is: 112,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,578 : 444,869.16 = 74,962 : x
  2. Step 2: Convert to fraction form
    296,578/444,869.16 = 74,962/x
  3. Step 3: Cross multiply
    296,578x = 444,869.16 × 74,962
  4. Step 4: Simplify right side
    296,578x = 33,348,281,971.92
  5. Step 5: Solve for x
    x = 33,348,281,971.92/296,578
  6. Step 6: Final answer
    x = 112,443.55

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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.