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Finding the Fourth Proportional to 603,694.71, 833,058.43 and 331,756.76

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Solution

The fourth proportional to 603,694.71, 833,058.43 and 331,756.76 is: 457,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,694.71 : 833,058.43 = 331,756.76 : x
  2. Step 2: Convert to fraction form
    603,694.71/833,058.43 = 331,756.76/x
  3. Step 3: Cross multiply
    603,694.71x = 833,058.43 × 331,756.76
  4. Step 4: Simplify right side
    603,694.71x = 276,372,766,880.74
  5. Step 5: Solve for x
    x = 276,372,766,880.74/603,694.71
  6. Step 6: Final answer
    x = 457,802.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.