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Finding the Fourth Proportional to 338,969.76, 507,825.54 and 242,708.33

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Solution

The fourth proportional to 338,969.76, 507,825.54 and 242,708.33 is: 363,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,969.76 : 507,825.54 = 242,708.33 : x
  2. Step 2: Convert to fraction form
    338,969.76/507,825.54 = 242,708.33/x
  3. Step 3: Cross multiply
    338,969.76x = 507,825.54 × 242,708.33
  4. Step 4: Simplify right side
    338,969.76x = 123,253,486,205.62
  5. Step 5: Solve for x
    x = 123,253,486,205.62/338,969.76
  6. Step 6: Final answer
    x = 363,612.04

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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.