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Finding the Fourth Proportional to 346,100.80, 517,999.20 and 251,060.80

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Solution

The fourth proportional to 346,100.80, 517,999.20 and 251,060.80 is: 375,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,100.80 : 517,999.20 = 251,060.80 : x
  2. Step 2: Convert to fraction form
    346,100.80/517,999.20 = 251,060.80/x
  3. Step 3: Cross multiply
    346,100.80x = 517,999.20 × 251,060.80
  4. Step 4: Simplify right side
    346,100.80x = 130,049,293,551.36
  5. Step 5: Solve for x
    x = 130,049,293,551.36/346,100.80
  6. Step 6: Final answer
    x = 375,755.54

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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.