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Finding the Fourth Proportional to 202,506.80, 303,760.20 and 191,681.15

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Solution

The fourth proportional to 202,506.80, 303,760.20 and 191,681.15 is: 287,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,506.80 : 303,760.20 = 191,681.15 : x
  2. Step 2: Convert to fraction form
    202,506.80/303,760.20 = 191,681.15/x
  3. Step 3: Cross multiply
    202,506.80x = 303,760.20 × 191,681.15
  4. Step 4: Simplify right side
    202,506.80x = 58,225,104,460.23
  5. Step 5: Solve for x
    x = 58,225,104,460.23/202,506.80
  6. Step 6: Final answer
    x = 287,521.73

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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.