Home / 370,273.54-510,996.09-217,318.36

Finding the Fourth Proportional to 370,273.54, 510,996.09 and 217,318.36

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Solution

The fourth proportional to 370,273.54, 510,996.09 and 217,318.36 is: 299,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,273.54 : 510,996.09 = 217,318.36 : x
  2. Step 2: Convert to fraction form
    370,273.54/510,996.09 = 217,318.36/x
  3. Step 3: Cross multiply
    370,273.54x = 510,996.09 × 217,318.36
  4. Step 4: Simplify right side
    370,273.54x = 111,048,832,245.21
  5. Step 5: Solve for x
    x = 111,048,832,245.21/370,273.54
  6. Step 6: Final answer
    x = 299,910.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.