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Finding the Fourth Proportional to 496,978.80, 746,051.40 and 493,479.60

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Solution

The fourth proportional to 496,978.80, 746,051.40 and 493,479.60 is: 740,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,978.80 : 746,051.40 = 493,479.60 : x
  2. Step 2: Convert to fraction form
    496,978.80/746,051.40 = 493,479.60/x
  3. Step 3: Cross multiply
    496,978.80x = 746,051.40 × 493,479.60
  4. Step 4: Simplify right side
    496,978.80x = 368,161,146,451.44
  5. Step 5: Solve for x
    x = 368,161,146,451.44/496,978.80
  6. Step 6: Final answer
    x = 740,798.49

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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.