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Finding the Fourth Proportional to 3,118,387, 4,677,580.68 and 754,483

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Solution

The fourth proportional to 3,118,387, 4,677,580.68 and 754,483 is: 1,131,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,387 : 4,677,580.68 = 754,483 : x
  2. Step 2: Convert to fraction form
    3,118,387/4,677,580.68 = 754,483/x
  3. Step 3: Cross multiply
    3,118,387x = 4,677,580.68 × 754,483
  4. Step 4: Simplify right side
    3,118,387x = 3,529,155,104,188.44
  5. Step 5: Solve for x
    x = 3,529,155,104,188.44/3,118,387
  6. Step 6: Final answer
    x = 1,131,724.54

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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.