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Finding the Fourth Proportional to 343,911.88, 474,600.18 and 190,955.56

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Solution

The fourth proportional to 343,911.88, 474,600.18 and 190,955.56 is: 263,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,911.88 : 474,600.18 = 190,955.56 : x
  2. Step 2: Convert to fraction form
    343,911.88/474,600.18 = 190,955.56/x
  3. Step 3: Cross multiply
    343,911.88x = 474,600.18 × 190,955.56
  4. Step 4: Simplify right side
    343,911.88x = 90,627,543,148.00
  5. Step 5: Solve for x
    x = 90,627,543,148.00/343,911.88
  6. Step 6: Final answer
    x = 263,519.66

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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.