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Finding the Fourth Proportional to 608,800.80, 913,330.80 and 188,119.20

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Solution

The fourth proportional to 608,800.80, 913,330.80 and 188,119.20 is: 282,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,800.80 : 913,330.80 = 188,119.20 : x
  2. Step 2: Convert to fraction form
    608,800.80/913,330.80 = 188,119.20/x
  3. Step 3: Cross multiply
    608,800.80x = 913,330.80 × 188,119.20
  4. Step 4: Simplify right side
    608,800.80x = 171,815,059,431.36
  5. Step 5: Solve for x
    x = 171,815,059,431.36/608,800.80
  6. Step 6: Final answer
    x = 282,218.85

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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.