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Finding the Fourth Proportional to 343,969.50, 474,677.92 and 193,115.10

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Solution

The fourth proportional to 343,969.50, 474,677.92 and 193,115.10 is: 266,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,969.50 : 474,677.92 = 193,115.10 : x
  2. Step 2: Convert to fraction form
    343,969.50/474,677.92 = 193,115.10/x
  3. Step 3: Cross multiply
    343,969.50x = 474,677.92 × 193,115.10
  4. Step 4: Simplify right side
    343,969.50x = 91,667,473,988.59
  5. Step 5: Solve for x
    x = 91,667,473,988.59/343,969.50
  6. Step 6: Final answer
    x = 266,498.84

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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.