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Finding the Fourth Proportional to 362,979.60, 543,432.60 and 325,654.80

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Solution

The fourth proportional to 362,979.60, 543,432.60 and 325,654.80 is: 487,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,979.60 : 543,432.60 = 325,654.80 : x
  2. Step 2: Convert to fraction form
    362,979.60/543,432.60 = 325,654.80/x
  3. Step 3: Cross multiply
    362,979.60x = 543,432.60 × 325,654.80
  4. Step 4: Simplify right side
    362,979.60x = 176,971,434,666.48
  5. Step 5: Solve for x
    x = 176,971,434,666.48/362,979.60
  6. Step 6: Final answer
    x = 487,552.01

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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.