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Finding the Fourth Proportional to 404,799.60, 607,566.60 and 205,258.80

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Solution

The fourth proportional to 404,799.60, 607,566.60 and 205,258.80 is: 308,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,799.60 : 607,566.60 = 205,258.80 : x
  2. Step 2: Convert to fraction form
    404,799.60/607,566.60 = 205,258.80/x
  3. Step 3: Cross multiply
    404,799.60x = 607,566.60 × 205,258.80
  4. Step 4: Simplify right side
    404,799.60x = 124,708,391,236.08
  5. Step 5: Solve for x
    x = 124,708,391,236.08/404,799.60
  6. Step 6: Final answer
    x = 308,074.39

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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.