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Finding the Fourth Proportional to 496,154.40, 684,610.02 and 292,245.92

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Solution

The fourth proportional to 496,154.40, 684,610.02 and 292,245.92 is: 403,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,154.40 : 684,610.02 = 292,245.92 : x
  2. Step 2: Convert to fraction form
    496,154.40/684,610.02 = 292,245.92/x
  3. Step 3: Cross multiply
    496,154.40x = 684,610.02 × 292,245.92
  4. Step 4: Simplify right side
    496,154.40x = 200,074,485,136.12
  5. Step 5: Solve for x
    x = 200,074,485,136.12/496,154.40
  6. Step 6: Final answer
    x = 403,250.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.