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Finding the Fourth Proportional to 417,295.02, 625,942.53 and 195,627.18

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Solution

The fourth proportional to 417,295.02, 625,942.53 and 195,627.18 is: 293,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,295.02 : 625,942.53 = 195,627.18 : x
  2. Step 2: Convert to fraction form
    417,295.02/625,942.53 = 195,627.18/x
  3. Step 3: Cross multiply
    417,295.02x = 625,942.53 × 195,627.18
  4. Step 4: Simplify right side
    417,295.02x = 122,451,371,985.97
  5. Step 5: Solve for x
    x = 122,451,371,985.97/417,295.02
  6. Step 6: Final answer
    x = 293,440.77

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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.