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Finding the Fourth Proportional to 363,135.60, 544,703.40 and 185,583.60

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Solution

The fourth proportional to 363,135.60, 544,703.40 and 185,583.60 is: 278,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,135.60 : 544,703.40 = 185,583.60 : x
  2. Step 2: Convert to fraction form
    363,135.60/544,703.40 = 185,583.60/x
  3. Step 3: Cross multiply
    363,135.60x = 544,703.40 × 185,583.60
  4. Step 4: Simplify right side
    363,135.60x = 101,088,017,904.24
  5. Step 5: Solve for x
    x = 101,088,017,904.24/363,135.60
  6. Step 6: Final answer
    x = 278,375.40

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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.