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Finding the Fourth Proportional to 343,777.84, 474,406.07 and 190,807.11

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Solution

The fourth proportional to 343,777.84, 474,406.07 and 190,807.11 is: 263,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,777.84 : 474,406.07 = 190,807.11 : x
  2. Step 2: Convert to fraction form
    343,777.84/474,406.07 = 190,807.11/x
  3. Step 3: Cross multiply
    343,777.84x = 474,406.07 × 190,807.11
  4. Step 4: Simplify right side
    343,777.84x = 90,520,050,229.12
  5. Step 5: Solve for x
    x = 90,520,050,229.12/343,777.84
  6. Step 6: Final answer
    x = 263,309.73

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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.