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Finding the Fourth Proportional to 587,769.69, 880,916.62 and 317,887.07

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Solution

The fourth proportional to 587,769.69, 880,916.62 and 317,887.07 is: 476,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,769.69 : 880,916.62 = 317,887.07 : x
  2. Step 2: Convert to fraction form
    587,769.69/880,916.62 = 317,887.07/x
  3. Step 3: Cross multiply
    587,769.69x = 880,916.62 × 317,887.07
  4. Step 4: Simplify right side
    587,769.69x = 280,032,003,246.10
  5. Step 5: Solve for x
    x = 280,032,003,246.10/587,769.69
  6. Step 6: Final answer
    x = 476,431.51

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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.