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Finding the Fourth Proportional to 462,876.28, 693,417.70 and 262,590.80

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Solution

The fourth proportional to 462,876.28, 693,417.70 and 262,590.80 is: 393,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,876.28 : 693,417.70 = 262,590.80 : x
  2. Step 2: Convert to fraction form
    462,876.28/693,417.70 = 262,590.80/x
  3. Step 3: Cross multiply
    462,876.28x = 693,417.70 × 262,590.80
  4. Step 4: Simplify right side
    462,876.28x = 182,085,108,577.16
  5. Step 5: Solve for x
    x = 182,085,108,577.16/462,876.28
  6. Step 6: Final answer
    x = 393,377.49

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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.