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Finding the Fourth Proportional to 581,438.57, 872,527.22 and 300,955.82

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Solution

The fourth proportional to 581,438.57, 872,527.22 and 300,955.82 is: 451,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,438.57 : 872,527.22 = 300,955.82 : x
  2. Step 2: Convert to fraction form
    581,438.57/872,527.22 = 300,955.82/x
  3. Step 3: Cross multiply
    581,438.57x = 872,527.22 × 300,955.82
  4. Step 4: Simplify right side
    581,438.57x = 262,592,143,462.64
  5. Step 5: Solve for x
    x = 262,592,143,462.64/581,438.57
  6. Step 6: Final answer
    x = 451,624.91

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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.