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Finding the Fourth Proportional to 376,520.70, 565,218.45 and 226,929.90

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Solution

The fourth proportional to 376,520.70, 565,218.45 and 226,929.90 is: 340,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,520.70 : 565,218.45 = 226,929.90 : x
  2. Step 2: Convert to fraction form
    376,520.70/565,218.45 = 226,929.90/x
  3. Step 3: Cross multiply
    376,520.70x = 565,218.45 × 226,929.90
  4. Step 4: Simplify right side
    376,520.70x = 128,264,966,336.66
  5. Step 5: Solve for x
    x = 128,264,966,336.66/376,520.70
  6. Step 6: Final answer
    x = 340,658.47

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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.