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Finding the Fourth Proportional to 867,620.40, 1,301,527.80 and 268,576.80

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Solution

The fourth proportional to 867,620.40, 1,301,527.80 and 268,576.80 is: 402,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,620.40 : 1,301,527.80 = 268,576.80 : x
  2. Step 2: Convert to fraction form
    867,620.40/1,301,527.80 = 268,576.80/x
  3. Step 3: Cross multiply
    867,620.40x = 1,301,527.80 × 268,576.80
  4. Step 4: Simplify right side
    867,620.40x = 349,560,171,635.04
  5. Step 5: Solve for x
    x = 349,560,171,635.04/867,620.40
  6. Step 6: Final answer
    x = 402,895.29

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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.