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Finding the Fourth Proportional to 294,967.20, 441,794.70 and 242,479.20

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Solution

The fourth proportional to 294,967.20, 441,794.70 and 242,479.20 is: 363,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,967.20 : 441,794.70 = 242,479.20 : x
  2. Step 2: Convert to fraction form
    294,967.20/441,794.70 = 242,479.20/x
  3. Step 3: Cross multiply
    294,967.20x = 441,794.70 × 242,479.20
  4. Step 4: Simplify right side
    294,967.20x = 107,126,025,420.24
  5. Step 5: Solve for x
    x = 107,126,025,420.24/294,967.20
  6. Step 6: Final answer
    x = 363,179.45

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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.