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Finding the Fourth Proportional to 586,246.48, 878,771.94 and 231,063.28

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Solution

The fourth proportional to 586,246.48, 878,771.94 and 231,063.28 is: 346,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,246.48 : 878,771.94 = 231,063.28 : x
  2. Step 2: Convert to fraction form
    586,246.48/878,771.94 = 231,063.28/x
  3. Step 3: Cross multiply
    586,246.48x = 878,771.94 × 231,063.28
  4. Step 4: Simplify right side
    586,246.48x = 203,051,926,828.36
  5. Step 5: Solve for x
    x = 203,051,926,828.36/586,246.48
  6. Step 6: Final answer
    x = 346,359.31

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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.