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Finding the Fourth Proportional to 363,056.60, 544,844.10 and 205,117.40

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Solution

The fourth proportional to 363,056.60, 544,844.10 and 205,117.40 is: 307,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,056.60 : 544,844.10 = 205,117.40 : x
  2. Step 2: Convert to fraction form
    363,056.60/544,844.10 = 205,117.40/x
  3. Step 3: Cross multiply
    363,056.60x = 544,844.10 × 205,117.40
  4. Step 4: Simplify right side
    363,056.60x = 111,757,005,197.34
  5. Step 5: Solve for x
    x = 111,757,005,197.34/363,056.60
  6. Step 6: Final answer
    x = 307,822.54

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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.