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Finding the Fourth Proportional to 358,357.44, 494,367.12 and 214,868.10

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Solution

The fourth proportional to 358,357.44, 494,367.12 and 214,868.10 is: 296,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,357.44 : 494,367.12 = 214,868.10 : x
  2. Step 2: Convert to fraction form
    358,357.44/494,367.12 = 214,868.10/x
  3. Step 3: Cross multiply
    358,357.44x = 494,367.12 × 214,868.10
  4. Step 4: Simplify right side
    358,357.44x = 106,223,723,776.87
  5. Step 5: Solve for x
    x = 106,223,723,776.87/358,357.44
  6. Step 6: Final answer
    x = 296,418.36

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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.