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Finding the Fourth Proportional to 438,478.22, 605,101.77 and 237,274.22

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Solution

The fourth proportional to 438,478.22, 605,101.77 and 237,274.22 is: 327,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,478.22 : 605,101.77 = 237,274.22 : x
  2. Step 2: Convert to fraction form
    438,478.22/605,101.77 = 237,274.22/x
  3. Step 3: Cross multiply
    438,478.22x = 605,101.77 × 237,274.22
  4. Step 4: Simplify right side
    438,478.22x = 143,575,050,497.37
  5. Step 5: Solve for x
    x = 143,575,050,497.37/438,478.22
  6. Step 6: Final answer
    x = 327,439.41

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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.