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Finding the Fourth Proportional to 500,062.67, 749,429.69 and 286,932.68

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Solution

The fourth proportional to 500,062.67, 749,429.69 and 286,932.68 is: 430,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,062.67 : 749,429.69 = 286,932.68 : x
  2. Step 2: Convert to fraction form
    500,062.67/749,429.69 = 286,932.68/x
  3. Step 3: Cross multiply
    500,062.67x = 749,429.69 × 286,932.68
  4. Step 4: Simplify right side
    500,062.67x = 215,035,864,241.46
  5. Step 5: Solve for x
    x = 215,035,864,241.46/500,062.67
  6. Step 6: Final answer
    x = 430,017.83

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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.