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Finding the Fourth Proportional to 605,837.60, 908,799.60 and 185,112.80

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Solution

The fourth proportional to 605,837.60, 908,799.60 and 185,112.80 is: 277,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,837.60 : 908,799.60 = 185,112.80 : x
  2. Step 2: Convert to fraction form
    605,837.60/908,799.60 = 185,112.80/x
  3. Step 3: Cross multiply
    605,837.60x = 908,799.60 × 185,112.80
  4. Step 4: Simplify right side
    605,837.60x = 168,230,438,594.88
  5. Step 5: Solve for x
    x = 168,230,438,594.88/605,837.60
  6. Step 6: Final answer
    x = 277,682.40

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1.5x scale

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.