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Finding the Fourth Proportional to 656,797.62, 906,362.15 and 366,417.75

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Solution

The fourth proportional to 656,797.62, 906,362.15 and 366,417.75 is: 505,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,797.62 : 906,362.15 = 366,417.75 : x
  2. Step 2: Convert to fraction form
    656,797.62/906,362.15 = 366,417.75/x
  3. Step 3: Cross multiply
    656,797.62x = 906,362.15 × 366,417.75
  4. Step 4: Simplify right side
    656,797.62x = 332,107,177,856.07
  5. Step 5: Solve for x
    x = 332,107,177,856.07/656,797.62
  6. Step 6: Final answer
    x = 505,646.13

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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.