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Finding the Fourth Proportional to 496,925.68, 745,379.52 and 122,948.56

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Solution

The fourth proportional to 496,925.68, 745,379.52 and 122,948.56 is: 184,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,925.68 : 745,379.52 = 122,948.56 : x
  2. Step 2: Convert to fraction form
    496,925.68/745,379.52 = 122,948.56/x
  3. Step 3: Cross multiply
    496,925.68x = 745,379.52 × 122,948.56
  4. Step 4: Simplify right side
    496,925.68x = 91,643,338,637.49
  5. Step 5: Solve for x
    x = 91,643,338,637.49/496,925.68
  6. Step 6: Final answer
    x = 184,420.61

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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.