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Finding the Fourth Proportional to 348,967.92, 523,900.16 and 269,056.64

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Solution

The fourth proportional to 348,967.92, 523,900.16 and 269,056.64 is: 403,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,967.92 : 523,900.16 = 269,056.64 : x
  2. Step 2: Convert to fraction form
    348,967.92/523,900.16 = 269,056.64/x
  3. Step 3: Cross multiply
    348,967.92x = 523,900.16 × 269,056.64
  4. Step 4: Simplify right side
    348,967.92x = 140,958,818,701.69
  5. Step 5: Solve for x
    x = 140,958,818,701.69/348,967.92
  6. Step 6: Final answer
    x = 403,930.60

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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.