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Finding the Fourth Proportional to 243,053.60, 364,580.40 and 204,562.40

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Solution

The fourth proportional to 243,053.60, 364,580.40 and 204,562.40 is: 306,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,053.60 : 364,580.40 = 204,562.40 : x
  2. Step 2: Convert to fraction form
    243,053.60/364,580.40 = 204,562.40/x
  3. Step 3: Cross multiply
    243,053.60x = 364,580.40 × 204,562.40
  4. Step 4: Simplify right side
    243,053.60x = 74,579,441,616.96
  5. Step 5: Solve for x
    x = 74,579,441,616.96/243,053.60
  6. Step 6: Final answer
    x = 306,843.60

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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.