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Finding the Fourth Proportional to 496,935.40, 745,403.10 and 181,402.60

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Solution

The fourth proportional to 496,935.40, 745,403.10 and 181,402.60 is: 272,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,935.40 : 745,403.10 = 181,402.60 : x
  2. Step 2: Convert to fraction form
    496,935.40/745,403.10 = 181,402.60/x
  3. Step 3: Cross multiply
    496,935.40x = 745,403.10 × 181,402.60
  4. Step 4: Simplify right side
    496,935.40x = 135,218,060,388.06
  5. Step 5: Solve for x
    x = 135,218,060,388.06/496,935.40
  6. Step 6: Final answer
    x = 272,103.90

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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.