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Finding the Fourth Proportional to 623,765.96, 935,751.59 and 191,472.57

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Solution

The fourth proportional to 623,765.96, 935,751.59 and 191,472.57 is: 287,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,765.96 : 935,751.59 = 191,472.57 : x
  2. Step 2: Convert to fraction form
    623,765.96/935,751.59 = 191,472.57/x
  3. Step 3: Cross multiply
    623,765.96x = 935,751.59 × 191,472.57
  4. Step 4: Simplify right side
    623,765.96x = 179,170,758,947.74
  5. Step 5: Solve for x
    x = 179,170,758,947.74/623,765.96
  6. Step 6: Final answer
    x = 287,240.36

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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.