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Finding the Fourth Proportional to 607,630.14, 912,017.27 and 308,325.52

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Solution

The fourth proportional to 607,630.14, 912,017.27 and 308,325.52 is: 462,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,630.14 : 912,017.27 = 308,325.52 : x
  2. Step 2: Convert to fraction form
    607,630.14/912,017.27 = 308,325.52/x
  3. Step 3: Cross multiply
    607,630.14x = 912,017.27 × 308,325.52
  4. Step 4: Simplify right side
    607,630.14x = 281,198,200,932.57
  5. Step 5: Solve for x
    x = 281,198,200,932.57/607,630.14
  6. Step 6: Final answer
    x = 462,778.56

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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.