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Finding the Fourth Proportional to 444,758.11, 666,658.55 and 192,158.19

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Solution

The fourth proportional to 444,758.11, 666,658.55 and 192,158.19 is: 288,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,758.11 : 666,658.55 = 192,158.19 : x
  2. Step 2: Convert to fraction form
    444,758.11/666,658.55 = 192,158.19/x
  3. Step 3: Cross multiply
    444,758.11x = 666,658.55 × 192,158.19
  4. Step 4: Simplify right side
    444,758.11x = 128,103,900,796.42
  5. Step 5: Solve for x
    x = 128,103,900,796.42/444,758.11
  6. Step 6: Final answer
    x = 288,030.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.