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Finding the Fourth Proportional to 265,308.45, 365,428.27 and 203,937.25

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Solution

The fourth proportional to 265,308.45, 365,428.27 and 203,937.25 is: 280,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,308.45 : 365,428.27 = 203,937.25 : x
  2. Step 2: Convert to fraction form
    265,308.45/365,428.27 = 203,937.25/x
  3. Step 3: Cross multiply
    265,308.45x = 365,428.27 × 203,937.25
  4. Step 4: Simplify right side
    265,308.45x = 74,524,436,456.06
  5. Step 5: Solve for x
    x = 74,524,436,456.06/265,308.45
  6. Step 6: Final answer
    x = 280,897.33

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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.