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Finding the Fourth Proportional to 591,153.71, 886,855.10 and 191,763.29

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Solution

The fourth proportional to 591,153.71, 886,855.10 and 191,763.29 is: 287,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,153.71 : 886,855.10 = 191,763.29 : x
  2. Step 2: Convert to fraction form
    591,153.71/886,855.10 = 191,763.29/x
  3. Step 3: Cross multiply
    591,153.71x = 886,855.10 × 191,763.29
  4. Step 4: Simplify right side
    591,153.71x = 170,066,252,987.60
  5. Step 5: Solve for x
    x = 170,066,252,987.60/591,153.71
  6. Step 6: Final answer
    x = 287,685.34

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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.