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Finding the Fourth Proportional to 438,671.24, 605,365.56 and 237,467.24

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Solution

The fourth proportional to 438,671.24, 605,365.56 and 237,467.24 is: 327,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,671.24 : 605,365.56 = 237,467.24 : x
  2. Step 2: Convert to fraction form
    438,671.24/605,365.56 = 237,467.24/x
  3. Step 3: Cross multiply
    438,671.24x = 605,365.56 × 237,467.24
  4. Step 4: Simplify right side
    438,671.24x = 143,754,488,724.25
  5. Step 5: Solve for x
    x = 143,754,488,724.25/438,671.24
  6. Step 6: Final answer
    x = 327,704.38

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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.