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Finding the Fourth Proportional to 664,661.04, 917,227.56 and 362,855.04

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Solution

The fourth proportional to 664,661.04, 917,227.56 and 362,855.04 is: 500,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,661.04 : 917,227.56 = 362,855.04 : x
  2. Step 2: Convert to fraction form
    664,661.04/917,227.56 = 362,855.04/x
  3. Step 3: Cross multiply
    664,661.04x = 917,227.56 × 362,855.04
  4. Step 4: Simplify right side
    664,661.04x = 332,820,642,972.90
  5. Step 5: Solve for x
    x = 332,820,642,972.90/664,661.04
  6. Step 6: Final answer
    x = 500,737.40

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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.