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Finding the Fourth Proportional to 585,287.29, 877,867.89 and 396,956.62

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Solution

The fourth proportional to 585,287.29, 877,867.89 and 396,956.62 is: 595,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,287.29 : 877,867.89 = 396,956.62 : x
  2. Step 2: Convert to fraction form
    585,287.29/877,867.89 = 396,956.62/x
  3. Step 3: Cross multiply
    585,287.29x = 877,867.89 × 396,956.62
  4. Step 4: Simplify right side
    585,287.29x = 348,475,470,420.93
  5. Step 5: Solve for x
    x = 348,475,470,420.93/585,287.29
  6. Step 6: Final answer
    x = 595,392.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.