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Finding the Fourth Proportional to 581,535.30, 873,299.38 and 315,814.80

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Solution

The fourth proportional to 581,535.30, 873,299.38 and 315,814.80 is: 474,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,535.30 : 873,299.38 = 315,814.80 : x
  2. Step 2: Convert to fraction form
    581,535.30/873,299.38 = 315,814.80/x
  3. Step 3: Cross multiply
    581,535.30x = 873,299.38 × 315,814.80
  4. Step 4: Simplify right side
    581,535.30x = 275,800,869,034.82
  5. Step 5: Solve for x
    x = 275,800,869,034.82/581,535.30
  6. Step 6: Final answer
    x = 474,263.33

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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.