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Finding the Fourth Proportional to 586,240.93, 808,370.05 and 381,912.94

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Solution

The fourth proportional to 586,240.93, 808,370.05 and 381,912.94 is: 526,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,240.93 : 808,370.05 = 381,912.94 : x
  2. Step 2: Convert to fraction form
    586,240.93/808,370.05 = 381,912.94/x
  3. Step 3: Cross multiply
    586,240.93x = 808,370.05 × 381,912.94
  4. Step 4: Simplify right side
    586,240.93x = 308,726,981,319.39
  5. Step 5: Solve for x
    x = 308,726,981,319.39/586,240.93
  6. Step 6: Final answer
    x = 526,621.33

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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.