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Finding the Fourth Proportional to 662,722.48, 994,200.60 and 242,585.20

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Solution

The fourth proportional to 662,722.48, 994,200.60 and 242,585.20 is: 363,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,722.48 : 994,200.60 = 242,585.20 : x
  2. Step 2: Convert to fraction form
    662,722.48/994,200.60 = 242,585.20/x
  3. Step 3: Cross multiply
    662,722.48x = 994,200.60 × 242,585.20
  4. Step 4: Simplify right side
    662,722.48x = 241,178,351,391.12
  5. Step 5: Solve for x
    x = 241,178,351,391.12/662,722.48
  6. Step 6: Final answer
    x = 363,920.58

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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.