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Finding the Fourth Proportional to 629,964.60, 944,946.90 and 556,481.40

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Solution

The fourth proportional to 629,964.60, 944,946.90 and 556,481.40 is: 834,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,964.60 : 944,946.90 = 556,481.40 : x
  2. Step 2: Convert to fraction form
    629,964.60/944,946.90 = 556,481.40/x
  3. Step 3: Cross multiply
    629,964.60x = 944,946.90 × 556,481.40
  4. Step 4: Simplify right side
    629,964.60x = 525,845,373,837.66
  5. Step 5: Solve for x
    x = 525,845,373,837.66/629,964.60
  6. Step 6: Final answer
    x = 834,722.10

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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.