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Finding the Fourth Proportional to 594,994, 821,009.10 and 349,989.88

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Solution

The fourth proportional to 594,994, 821,009.10 and 349,989.88 is: 482,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,994 : 821,009.10 = 349,989.88 : x
  2. Step 2: Convert to fraction form
    594,994/821,009.10 = 349,989.88/x
  3. Step 3: Cross multiply
    594,994x = 821,009.10 × 349,989.88
  4. Step 4: Simplify right side
    594,994x = 287,344,876,387.91
  5. Step 5: Solve for x
    x = 287,344,876,387.91/594,994
  6. Step 6: Final answer
    x = 482,937.44

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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.