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Finding the Fourth Proportional to 345,170.96, 517,092.76 and 248,899.76

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Solution

The fourth proportional to 345,170.96, 517,092.76 and 248,899.76 is: 372,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,170.96 : 517,092.76 = 248,899.76 : x
  2. Step 2: Convert to fraction form
    345,170.96/517,092.76 = 248,899.76/x
  3. Step 3: Cross multiply
    345,170.96x = 517,092.76 × 248,899.76
  4. Step 4: Simplify right side
    345,170.96x = 128,704,263,861.74
  5. Step 5: Solve for x
    x = 128,704,263,861.74/345,170.96
  6. Step 6: Final answer
    x = 372,871.07

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1.5x scale

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.