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Finding the Fourth Proportional to 343,283.31, 473,759.04 and 190,369.46

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Solution

The fourth proportional to 343,283.31, 473,759.04 and 190,369.46 is: 262,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,283.31 : 473,759.04 = 190,369.46 : x
  2. Step 2: Convert to fraction form
    343,283.31/473,759.04 = 190,369.46/x
  3. Step 3: Cross multiply
    343,283.31x = 473,759.04 × 190,369.46
  4. Step 4: Simplify right side
    343,283.31x = 90,189,253,799.32
  5. Step 5: Solve for x
    x = 90,189,253,799.32/343,283.31
  6. Step 6: Final answer
    x = 262,725.43

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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.