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Finding the Fourth Proportional to 906,518.91, 1,359,630.55 and 266,673

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Solution

The fourth proportional to 906,518.91, 1,359,630.55 and 266,673 is: 399,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,518.91 : 1,359,630.55 = 266,673 : x
  2. Step 2: Convert to fraction form
    906,518.91/1,359,630.55 = 266,673/x
  3. Step 3: Cross multiply
    906,518.91x = 1,359,630.55 × 266,673
  4. Step 4: Simplify right side
    906,518.91x = 362,576,757,660.15
  5. Step 5: Solve for x
    x = 362,576,757,660.15/906,518.91
  6. Step 6: Final answer
    x = 399,966.02

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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.