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Finding the Fourth Proportional to 345,985.24, 477,476.24 and 195,079

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Solution

The fourth proportional to 345,985.24, 477,476.24 and 195,079 is: 269,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,985.24 : 477,476.24 = 195,079 : x
  2. Step 2: Convert to fraction form
    345,985.24/477,476.24 = 195,079/x
  3. Step 3: Cross multiply
    345,985.24x = 477,476.24 × 195,079
  4. Step 4: Simplify right side
    345,985.24x = 93,145,587,422.96
  5. Step 5: Solve for x
    x = 93,145,587,422.96/345,985.24
  6. Step 6: Final answer
    x = 269,218.38

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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.