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Finding the Fourth Proportional to 585,902.50, 808,631.73 and 371,062.54

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Solution

The fourth proportional to 585,902.50, 808,631.73 and 371,062.54 is: 512,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,902.50 : 808,631.73 = 371,062.54 : x
  2. Step 2: Convert to fraction form
    585,902.50/808,631.73 = 371,062.54/x
  3. Step 3: Cross multiply
    585,902.50x = 808,631.73 × 371,062.54
  4. Step 4: Simplify right side
    585,902.50x = 300,052,943,658.39
  5. Step 5: Solve for x
    x = 300,052,943,658.39/585,902.50
  6. Step 6: Final answer
    x = 512,120.95

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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.