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Finding the Fourth Proportional to 662,924.48, 994,503.60 and 242,787.20

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Solution

The fourth proportional to 662,924.48, 994,503.60 and 242,787.20 is: 364,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,924.48 : 994,503.60 = 242,787.20 : x
  2. Step 2: Convert to fraction form
    662,924.48/994,503.60 = 242,787.20/x
  3. Step 3: Cross multiply
    662,924.48x = 994,503.60 × 242,787.20
  4. Step 4: Simplify right side
    662,924.48x = 241,452,744,433.92
  5. Step 5: Solve for x
    x = 241,452,744,433.92/662,924.48
  6. Step 6: Final answer
    x = 364,223.61

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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.