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Finding the Fourth Proportional to 575,759.33, 863,445.99 and 191,419.52

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Solution

The fourth proportional to 575,759.33, 863,445.99 and 191,419.52 is: 287,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,759.33 : 863,445.99 = 191,419.52 : x
  2. Step 2: Convert to fraction form
    575,759.33/863,445.99 = 191,419.52/x
  3. Step 3: Cross multiply
    575,759.33x = 863,445.99 × 191,419.52
  4. Step 4: Simplify right side
    575,759.33x = 165,280,412,634.50
  5. Step 5: Solve for x
    x = 165,280,412,634.50/575,759.33
  6. Step 6: Final answer
    x = 287,065.11

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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.