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Finding the Fourth Proportional to 850,859.16, 1,276,274.34 and 251,817

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Solution

The fourth proportional to 850,859.16, 1,276,274.34 and 251,817 is: 377,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,859.16 : 1,276,274.34 = 251,817 : x
  2. Step 2: Convert to fraction form
    850,859.16/1,276,274.34 = 251,817/x
  3. Step 3: Cross multiply
    850,859.16x = 1,276,274.34 × 251,817
  4. Step 4: Simplify right side
    850,859.16x = 321,387,575,475.78
  5. Step 5: Solve for x
    x = 321,387,575,475.78/850,859.16
  6. Step 6: Final answer
    x = 377,721.24

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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.