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Finding the Fourth Proportional to 586,724.33, 878,969.29 and 334,179.13

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Solution

The fourth proportional to 586,724.33, 878,969.29 and 334,179.13 is: 500,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,724.33 : 878,969.29 = 334,179.13 : x
  2. Step 2: Convert to fraction form
    586,724.33/878,969.29 = 334,179.13/x
  3. Step 3: Cross multiply
    586,724.33x = 878,969.29 × 334,179.13
  4. Step 4: Simplify right side
    586,724.33x = 293,733,192,628.92
  5. Step 5: Solve for x
    x = 293,733,192,628.92/586,724.33
  6. Step 6: Final answer
    x = 500,632.37

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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.