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Finding the Fourth Proportional to 888,466.11, 1,332,698.11 and 289,426.29

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Solution

The fourth proportional to 888,466.11, 1,332,698.11 and 289,426.29 is: 434,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,466.11 : 1,332,698.11 = 289,426.29 : x
  2. Step 2: Convert to fraction form
    888,466.11/1,332,698.11 = 289,426.29/x
  3. Step 3: Cross multiply
    888,466.11x = 1,332,698.11 × 289,426.29
  4. Step 4: Simplify right side
    888,466.11x = 385,717,869,667.31
  5. Step 5: Solve for x
    x = 385,717,869,667.31/888,466.11
  6. Step 6: Final answer
    x = 434,139.09

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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.