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Finding the Fourth Proportional to 202,248.70, 303,373.05 and 189,782.80

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Solution

The fourth proportional to 202,248.70, 303,373.05 and 189,782.80 is: 284,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,248.70 : 303,373.05 = 189,782.80 : x
  2. Step 2: Convert to fraction form
    202,248.70/303,373.05 = 189,782.80/x
  3. Step 3: Cross multiply
    202,248.70x = 303,373.05 × 189,782.80
  4. Step 4: Simplify right side
    202,248.70x = 57,574,986,873.54
  5. Step 5: Solve for x
    x = 57,574,986,873.54/202,248.70
  6. Step 6: Final answer
    x = 284,674.20

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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.