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Finding the Fourth Proportional to 451,954.60, 623,695.64 and 248,008.94

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Solution

The fourth proportional to 451,954.60, 623,695.64 and 248,008.94 is: 342,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,954.60 : 623,695.64 = 248,008.94 : x
  2. Step 2: Convert to fraction form
    451,954.60/623,695.64 = 248,008.94/x
  3. Step 3: Cross multiply
    451,954.60x = 623,695.64 × 248,008.94
  4. Step 4: Simplify right side
    451,954.60x = 154,682,094,559.02
  5. Step 5: Solve for x
    x = 154,682,094,559.02/451,954.60
  6. Step 6: Final answer
    x = 342,251.40

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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.