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Finding the Fourth Proportional to 576,602.85, 864,986.81 and 177,277.15

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Solution

The fourth proportional to 576,602.85, 864,986.81 and 177,277.15 is: 265,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,602.85 : 864,986.81 = 177,277.15 : x
  2. Step 2: Convert to fraction form
    576,602.85/864,986.81 = 177,277.15/x
  3. Step 3: Cross multiply
    576,602.85x = 864,986.81 × 177,277.15
  4. Step 4: Simplify right side
    576,602.85x = 153,342,394,745.12
  5. Step 5: Solve for x
    x = 153,342,394,745.12/576,602.85
  6. Step 6: Final answer
    x = 265,941.10

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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.