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Finding the Fourth Proportional to 347,276.64, 519,493.92 and 262,405.92

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Solution

The fourth proportional to 347,276.64, 519,493.92 and 262,405.92 is: 392,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,276.64 : 519,493.92 = 262,405.92 : x
  2. Step 2: Convert to fraction form
    347,276.64/519,493.92 = 262,405.92/x
  3. Step 3: Cross multiply
    347,276.64x = 519,493.92 × 262,405.92
  4. Step 4: Simplify right side
    347,276.64x = 136,318,280,012.01
  5. Step 5: Solve for x
    x = 136,318,280,012.01/347,276.64
  6. Step 6: Final answer
    x = 392,535.13

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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.