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Finding the Fourth Proportional to 585,087.95, 820,229.05 and 585,087.95

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Solution

The fourth proportional to 585,087.95, 820,229.05 and 585,087.95 is: 820,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,087.95 : 820,229.05 = 585,087.95 : x
  2. Step 2: Convert to fraction form
    585,087.95/820,229.05 = 585,087.95/x
  3. Step 3: Cross multiply
    585,087.95x = 820,229.05 × 585,087.95
  4. Step 4: Simplify right side
    585,087.95x = 479,906,133,394.95
  5. Step 5: Solve for x
    x = 479,906,133,394.95/585,087.95
  6. Step 6: Final answer
    x = 820,229.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.