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Finding the Fourth Proportional to 468,290.50, 702,411.08 and 131,354.44

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Solution

The fourth proportional to 468,290.50, 702,411.08 and 131,354.44 is: 197,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,290.50 : 702,411.08 = 131,354.44 : x
  2. Step 2: Convert to fraction form
    468,290.50/702,411.08 = 131,354.44/x
  3. Step 3: Cross multiply
    468,290.50x = 702,411.08 × 131,354.44
  4. Step 4: Simplify right side
    468,290.50x = 92,264,814,063.20
  5. Step 5: Solve for x
    x = 92,264,814,063.20/468,290.50
  6. Step 6: Final answer
    x = 197,024.74

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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.