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Finding the Fourth Proportional to 530,987.34, 796,002.76 and 193,791.40

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Solution

The fourth proportional to 530,987.34, 796,002.76 and 193,791.40 is: 290,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,987.34 : 796,002.76 = 193,791.40 : x
  2. Step 2: Convert to fraction form
    530,987.34/796,002.76 = 193,791.40/x
  3. Step 3: Cross multiply
    530,987.34x = 796,002.76 × 193,791.40
  4. Step 4: Simplify right side
    530,987.34x = 154,258,489,264.26
  5. Step 5: Solve for x
    x = 154,258,489,264.26/530,987.34
  6. Step 6: Final answer
    x = 290,512.56

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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.