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Finding the Fourth Proportional to 367,007.05, 550,510.59 and 311,019.85

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Solution

The fourth proportional to 367,007.05, 550,510.59 and 311,019.85 is: 466,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,007.05 : 550,510.59 = 311,019.85 : x
  2. Step 2: Convert to fraction form
    367,007.05/550,510.59 = 311,019.85/x
  3. Step 3: Cross multiply
    367,007.05x = 550,510.59 × 311,019.85
  4. Step 4: Simplify right side
    367,007.05x = 171,219,721,125.21
  5. Step 5: Solve for x
    x = 171,219,721,125.21/367,007.05
  6. Step 6: Final answer
    x = 466,529.79

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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.