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Finding the Fourth Proportional to 307,850.06, 424,829.06 and 171,886.32

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Solution

The fourth proportional to 307,850.06, 424,829.06 and 171,886.32 is: 237,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,850.06 : 424,829.06 = 171,886.32 : x
  2. Step 2: Convert to fraction form
    307,850.06/424,829.06 = 171,886.32/x
  3. Step 3: Cross multiply
    307,850.06x = 424,829.06 × 171,886.32
  4. Step 4: Simplify right side
    307,850.06x = 73,022,305,775.28
  5. Step 5: Solve for x
    x = 73,022,305,775.28/307,850.06
  6. Step 6: Final answer
    x = 237,200.88

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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.