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Finding the Fourth Proportional to 402,284.60, 603,815.70 and 244,820.60

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Solution

The fourth proportional to 402,284.60, 603,815.70 and 244,820.60 is: 367,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,284.60 : 603,815.70 = 244,820.60 : x
  2. Step 2: Convert to fraction form
    402,284.60/603,815.70 = 244,820.60/x
  3. Step 3: Cross multiply
    402,284.60x = 603,815.70 × 244,820.60
  4. Step 4: Simplify right side
    402,284.60x = 147,826,521,963.42
  5. Step 5: Solve for x
    x = 147,826,521,963.42/402,284.60
  6. Step 6: Final answer
    x = 367,467.51

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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.