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Finding the Fourth Proportional to 586,662.28, 880,246.28 and 316,736.82

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Solution

The fourth proportional to 586,662.28, 880,246.28 and 316,736.82 is: 475,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,662.28 : 880,246.28 = 316,736.82 : x
  2. Step 2: Convert to fraction form
    586,662.28/880,246.28 = 316,736.82/x
  3. Step 3: Cross multiply
    586,662.28x = 880,246.28 × 316,736.82
  4. Step 4: Simplify right side
    586,662.28x = 278,806,407,544.03
  5. Step 5: Solve for x
    x = 278,806,407,544.03/586,662.28
  6. Step 6: Final answer
    x = 475,241.75

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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.