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Finding the Fourth Proportional to 591,167.16, 886,750.47 and 191,808

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Solution

The fourth proportional to 591,167.16, 886,750.47 and 191,808 is: 287,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,167.16 : 886,750.47 = 191,808 : x
  2. Step 2: Convert to fraction form
    591,167.16/886,750.47 = 191,808/x
  3. Step 3: Cross multiply
    591,167.16x = 886,750.47 × 191,808
  4. Step 4: Simplify right side
    591,167.16x = 170,085,834,149.76
  5. Step 5: Solve for x
    x = 170,085,834,149.76/591,167.16
  6. Step 6: Final answer
    x = 287,711.91

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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.