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Finding the Fourth Proportional to 438,528.58, 605,168.25 and 237,324.58

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Solution

The fourth proportional to 438,528.58, 605,168.25 and 237,324.58 is: 327,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,528.58 : 605,168.25 = 237,324.58 : x
  2. Step 2: Convert to fraction form
    438,528.58/605,168.25 = 237,324.58/x
  3. Step 3: Cross multiply
    438,528.58x = 605,168.25 × 237,324.58
  4. Step 4: Simplify right side
    438,528.58x = 143,621,300,760.59
  5. Step 5: Solve for x
    x = 143,621,300,760.59/438,528.58
  6. Step 6: Final answer
    x = 327,507.28

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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.