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Finding the Fourth Proportional to 591,687.84, 816,545.28 and 362,240.64

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Solution

The fourth proportional to 591,687.84, 816,545.28 and 362,240.64 is: 499,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,687.84 : 816,545.28 = 362,240.64 : x
  2. Step 2: Convert to fraction form
    591,687.84/816,545.28 = 362,240.64/x
  3. Step 3: Cross multiply
    591,687.84x = 816,545.28 × 362,240.64
  4. Step 4: Simplify right side
    591,687.84x = 295,785,884,816.18
  5. Step 5: Solve for x
    x = 295,785,884,816.18/591,687.84
  6. Step 6: Final answer
    x = 499,901.92

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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.