Home / 310,655.08-465,282.54-217,576.36

Finding the Fourth Proportional to 310,655.08, 465,282.54 and 217,576.36

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Solution

The fourth proportional to 310,655.08, 465,282.54 and 217,576.36 is: 325,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,655.08 : 465,282.54 = 217,576.36 : x
  2. Step 2: Convert to fraction form
    310,655.08/465,282.54 = 217,576.36/x
  3. Step 3: Cross multiply
    310,655.08x = 465,282.54 × 217,576.36
  4. Step 4: Simplify right side
    310,655.08x = 101,234,481,424.75
  5. Step 5: Solve for x
    x = 101,234,481,424.75/310,655.08
  6. Step 6: Final answer
    x = 325,874.22

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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.