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Finding the Fourth Proportional to 451,951.60, 623,691.50 and 248,005.94

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Solution

The fourth proportional to 451,951.60, 623,691.50 and 248,005.94 is: 342,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,951.60 : 623,691.50 = 248,005.94 : x
  2. Step 2: Convert to fraction form
    451,951.60/623,691.50 = 248,005.94/x
  3. Step 3: Cross multiply
    451,951.60x = 623,691.50 × 248,005.94
  4. Step 4: Simplify right side
    451,951.60x = 154,679,196,727.51
  5. Step 5: Solve for x
    x = 154,679,196,727.51/451,951.60
  6. Step 6: Final answer
    x = 342,247.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.