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Finding the Fourth Proportional to 296,179.83, 408,303.05 and 211,149.27

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Solution

The fourth proportional to 296,179.83, 408,303.05 and 211,149.27 is: 291,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,179.83 : 408,303.05 = 211,149.27 : x
  2. Step 2: Convert to fraction form
    296,179.83/408,303.05 = 211,149.27/x
  3. Step 3: Cross multiply
    296,179.83x = 408,303.05 × 211,149.27
  4. Step 4: Simplify right side
    296,179.83x = 86,212,889,890.53
  5. Step 5: Solve for x
    x = 86,212,889,890.53/296,179.83
  6. Step 6: Final answer
    x = 291,082.92

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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.