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Finding the Fourth Proportional to 575,610.18, 863,228.43 and 191,255.81

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Solution

The fourth proportional to 575,610.18, 863,228.43 and 191,255.81 is: 286,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,610.18 : 863,228.43 = 191,255.81 : x
  2. Step 2: Convert to fraction form
    575,610.18/863,228.43 = 191,255.81/x
  3. Step 3: Cross multiply
    575,610.18x = 863,228.43 × 191,255.81
  4. Step 4: Simplify right side
    575,610.18x = 165,097,452,594.68
  5. Step 5: Solve for x
    x = 165,097,452,594.68/575,610.18
  6. Step 6: Final answer
    x = 286,821.63

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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.