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Finding the Fourth Proportional to 512,794.12, 769,264.06 and 157,837.72

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Solution

The fourth proportional to 512,794.12, 769,264.06 and 157,837.72 is: 236,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,794.12 : 769,264.06 = 157,837.72 : x
  2. Step 2: Convert to fraction form
    512,794.12/769,264.06 = 157,837.72/x
  3. Step 3: Cross multiply
    512,794.12x = 769,264.06 × 157,837.72
  4. Step 4: Simplify right side
    512,794.12x = 121,418,885,308.34
  5. Step 5: Solve for x
    x = 121,418,885,308.34/512,794.12
  6. Step 6: Final answer
    x = 236,779.01

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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.