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Finding the Fourth Proportional to 349,836.60, 525,014.10 and 256,524.60

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Solution

The fourth proportional to 349,836.60, 525,014.10 and 256,524.60 is: 384,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,836.60 : 525,014.10 = 256,524.60 : x
  2. Step 2: Convert to fraction form
    349,836.60/525,014.10 = 256,524.60/x
  3. Step 3: Cross multiply
    349,836.60x = 525,014.10 × 256,524.60
  4. Step 4: Simplify right side
    349,836.60x = 134,679,031,996.86
  5. Step 5: Solve for x
    x = 134,679,031,996.86/349,836.60
  6. Step 6: Final answer
    x = 384,976.96

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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.