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Finding the Fourth Proportional to 438,556.77, 605,201.82 and 244,967.17

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Solution

The fourth proportional to 438,556.77, 605,201.82 and 244,967.17 is: 338,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,556.77 : 605,201.82 = 244,967.17 : x
  2. Step 2: Convert to fraction form
    438,556.77/605,201.82 = 244,967.17/x
  3. Step 3: Cross multiply
    438,556.77x = 605,201.82 × 244,967.17
  4. Step 4: Simplify right side
    438,556.77x = 148,254,577,124.25
  5. Step 5: Solve for x
    x = 148,254,577,124.25/438,556.77
  6. Step 6: Final answer
    x = 338,051.05

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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.