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Finding the Fourth Proportional to 462,560.75, 694,445.40 and 371,424.82

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Solution

The fourth proportional to 462,560.75, 694,445.40 and 371,424.82 is: 557,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,560.75 : 694,445.40 = 371,424.82 : x
  2. Step 2: Convert to fraction form
    462,560.75/694,445.40 = 371,424.82/x
  3. Step 3: Cross multiply
    462,560.75x = 694,445.40 × 371,424.82
  4. Step 4: Simplify right side
    462,560.75x = 257,934,255,307.67
  5. Step 5: Solve for x
    x = 257,934,255,307.67/462,560.75
  6. Step 6: Final answer
    x = 557,622.44

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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.