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Finding the Fourth Proportional to 608,010.20, 912,113.32 and 187,285.68

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Solution

The fourth proportional to 608,010.20, 912,113.32 and 187,285.68 is: 280,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,010.20 : 912,113.32 = 187,285.68 : x
  2. Step 2: Convert to fraction form
    608,010.20/912,113.32 = 187,285.68/x
  3. Step 3: Cross multiply
    608,010.20x = 912,113.32 × 187,285.68
  4. Step 4: Simplify right side
    608,010.20x = 170,825,763,373.26
  5. Step 5: Solve for x
    x = 170,825,763,373.26/608,010.20
  6. Step 6: Final answer
    x = 280,958.71

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1.5x scale

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.