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Finding the Fourth Proportional to 438,564.24, 605,221.20 and 237,360.24

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Solution

The fourth proportional to 438,564.24, 605,221.20 and 237,360.24 is: 327,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,564.24 : 605,221.20 = 237,360.24 : x
  2. Step 2: Convert to fraction form
    438,564.24/605,221.20 = 237,360.24/x
  3. Step 3: Cross multiply
    438,564.24x = 605,221.20 × 237,360.24
  4. Step 4: Simplify right side
    438,564.24x = 143,655,449,285.09
  5. Step 5: Solve for x
    x = 143,655,449,285.09/438,564.24
  6. Step 6: Final answer
    x = 327,558.51

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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.