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Finding the Fourth Proportional to 586,268.15, 809,554.97 and 368,839.24

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Solution

The fourth proportional to 586,268.15, 809,554.97 and 368,839.24 is: 509,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,268.15 : 809,554.97 = 368,839.24 : x
  2. Step 2: Convert to fraction form
    586,268.15/809,554.97 = 368,839.24/x
  3. Step 3: Cross multiply
    586,268.15x = 809,554.97 × 368,839.24
  4. Step 4: Simplify right side
    586,268.15x = 298,595,639,873.02
  5. Step 5: Solve for x
    x = 298,595,639,873.02/586,268.15
  6. Step 6: Final answer
    x = 509,315.81

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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.