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Finding the Fourth Proportional to 328,189.60, 452,901.54 and 177,286.60

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Solution

The fourth proportional to 328,189.60, 452,901.54 and 177,286.60 is: 244,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,189.60 : 452,901.54 = 177,286.60 : x
  2. Step 2: Convert to fraction form
    328,189.60/452,901.54 = 177,286.60/x
  3. Step 3: Cross multiply
    328,189.60x = 452,901.54 × 177,286.60
  4. Step 4: Simplify right side
    328,189.60x = 80,293,374,161.36
  5. Step 5: Solve for x
    x = 80,293,374,161.36/328,189.60
  6. Step 6: Final answer
    x = 244,655.45

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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.