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Finding the Fourth Proportional to 494,400.60, 740,726.10 and 462,907.80

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Solution

The fourth proportional to 494,400.60, 740,726.10 and 462,907.80 is: 693,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,400.60 : 740,726.10 = 462,907.80 : x
  2. Step 2: Convert to fraction form
    494,400.60/740,726.10 = 462,907.80/x
  3. Step 3: Cross multiply
    494,400.60x = 740,726.10 × 462,907.80
  4. Step 4: Simplify right side
    494,400.60x = 342,887,889,353.58
  5. Step 5: Solve for x
    x = 342,887,889,353.58/494,400.60
  6. Step 6: Final answer
    x = 693,542.62

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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.