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Finding the Fourth Proportional to 581,155.96, 873,046.16 and 344,653.76

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Solution

The fourth proportional to 581,155.96, 873,046.16 and 344,653.76 is: 517,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,155.96 : 873,046.16 = 344,653.76 : x
  2. Step 2: Convert to fraction form
    581,155.96/873,046.16 = 344,653.76/x
  3. Step 3: Cross multiply
    581,155.96x = 873,046.16 × 344,653.76
  4. Step 4: Simplify right side
    581,155.96x = 300,898,641,697.56
  5. Step 5: Solve for x
    x = 300,898,641,697.56/581,155.96
  6. Step 6: Final answer
    x = 517,758.85

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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.