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Finding the Fourth Proportional to 412,922.07, 619,383.11 and 412,922.07

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Solution

The fourth proportional to 412,922.07, 619,383.11 and 412,922.07 is: 619,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,922.07 : 619,383.11 = 412,922.07 : x
  2. Step 2: Convert to fraction form
    412,922.07/619,383.11 = 412,922.07/x
  3. Step 3: Cross multiply
    412,922.07x = 619,383.11 × 412,922.07
  4. Step 4: Simplify right side
    412,922.07x = 255,756,955,904.24
  5. Step 5: Solve for x
    x = 255,756,955,904.24/412,922.07
  6. Step 6: Final answer
    x = 619,383.11

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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.