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Finding the Fourth Proportional to 3,118,397, 4,677,595.70 and 754,493

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Solution

The fourth proportional to 3,118,397, 4,677,595.70 and 754,493 is: 1,131,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,397 : 4,677,595.70 = 754,493 : x
  2. Step 2: Convert to fraction form
    3,118,397/4,677,595.70 = 754,493/x
  3. Step 3: Cross multiply
    3,118,397x = 4,677,595.70 × 754,493
  4. Step 4: Simplify right side
    3,118,397x = 3,529,213,212,480.10
  5. Step 5: Solve for x
    x = 3,529,213,212,480.10/3,118,397
  6. Step 6: Final answer
    x = 1,131,739.55

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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.