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Finding the Fourth Proportional to 541,679.92, 812,215.96 and 371,094.32

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Solution

The fourth proportional to 541,679.92, 812,215.96 and 371,094.32 is: 556,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,679.92 : 812,215.96 = 371,094.32 : x
  2. Step 2: Convert to fraction form
    541,679.92/812,215.96 = 371,094.32/x
  3. Step 3: Cross multiply
    541,679.92x = 812,215.96 × 371,094.32
  4. Step 4: Simplify right side
    541,679.92x = 301,408,730,472.15
  5. Step 5: Solve for x
    x = 301,408,730,472.15/541,679.92
  6. Step 6: Final answer
    x = 556,433.27

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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.