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Finding the Fourth Proportional to 341,355.90, 512,028.56 and 151,766.48

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Solution

The fourth proportional to 341,355.90, 512,028.56 and 151,766.48 is: 227,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,355.90 : 512,028.56 = 151,766.48 : x
  2. Step 2: Convert to fraction form
    341,355.90/512,028.56 = 151,766.48/x
  3. Step 3: Cross multiply
    341,355.90x = 512,028.56 × 151,766.48
  4. Step 4: Simplify right side
    341,355.90x = 77,708,772,210.67
  5. Step 5: Solve for x
    x = 77,708,772,210.67/341,355.90
  6. Step 6: Final answer
    x = 227,647.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.