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Finding the Fourth Proportional to 615,820.80, 923,539.20 and 241,958.40

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Solution

The fourth proportional to 615,820.80, 923,539.20 and 241,958.40 is: 362,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,820.80 : 923,539.20 = 241,958.40 : x
  2. Step 2: Convert to fraction form
    615,820.80/923,539.20 = 241,958.40/x
  3. Step 3: Cross multiply
    615,820.80x = 923,539.20 × 241,958.40
  4. Step 4: Simplify right side
    615,820.80x = 223,458,067,169.28
  5. Step 5: Solve for x
    x = 223,458,067,169.28/615,820.80
  6. Step 6: Final answer
    x = 362,862.16

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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.