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Finding the Fourth Proportional to 603,818.87, 833,278.59 and 331,911.90

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Solution

The fourth proportional to 603,818.87, 833,278.59 and 331,911.90 is: 458,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,818.87 : 833,278.59 = 331,911.90 : x
  2. Step 2: Convert to fraction form
    603,818.87/833,278.59 = 331,911.90/x
  3. Step 3: Cross multiply
    603,818.87x = 833,278.59 × 331,911.90
  4. Step 4: Simplify right side
    603,818.87x = 276,575,080,036.22
  5. Step 5: Solve for x
    x = 276,575,080,036.22/603,818.87
  6. Step 6: Final answer
    x = 458,043.13

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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.