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Finding the Fourth Proportional to 569,854.71, 855,077.27 and 289,371.96

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Solution

The fourth proportional to 569,854.71, 855,077.27 and 289,371.96 is: 434,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,854.71 : 855,077.27 = 289,371.96 : x
  2. Step 2: Convert to fraction form
    569,854.71/855,077.27 = 289,371.96/x
  3. Step 3: Cross multiply
    569,854.71x = 855,077.27 × 289,371.96
  4. Step 4: Simplify right side
    569,854.71x = 247,435,384,124.49
  5. Step 5: Solve for x
    x = 247,435,384,124.49/569,854.71
  6. Step 6: Final answer
    x = 434,207.84

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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.