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Finding the Fourth Proportional to 606,717.47, 909,687.40 and 251,976.35

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Solution

The fourth proportional to 606,717.47, 909,687.40 and 251,976.35 is: 377,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,717.47 : 909,687.40 = 251,976.35 : x
  2. Step 2: Convert to fraction form
    606,717.47/909,687.40 = 251,976.35/x
  3. Step 3: Cross multiply
    606,717.47x = 909,687.40 × 251,976.35
  4. Step 4: Simplify right side
    606,717.47x = 229,219,710,692.99
  5. Step 5: Solve for x
    x = 229,219,710,692.99/606,717.47
  6. Step 6: Final answer
    x = 377,803.05

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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.