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Finding the Fourth Proportional to 270,200.63, 372,683.49 and 189,646.13

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Solution

The fourth proportional to 270,200.63, 372,683.49 and 189,646.13 is: 261,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,200.63 : 372,683.49 = 189,646.13 : x
  2. Step 2: Convert to fraction form
    270,200.63/372,683.49 = 189,646.13/x
  3. Step 3: Cross multiply
    270,200.63x = 372,683.49 × 189,646.13
  4. Step 4: Simplify right side
    270,200.63x = 70,677,981,593.39
  5. Step 5: Solve for x
    x = 70,677,981,593.39/270,200.63
  6. Step 6: Final answer
    x = 261,575.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.