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Finding the Fourth Proportional to 1,132,401, 1,698,863.94 and 384,447

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Solution

The fourth proportional to 1,132,401, 1,698,863.94 and 384,447 is: 576,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,401 : 1,698,863.94 = 384,447 : x
  2. Step 2: Convert to fraction form
    1,132,401/1,698,863.94 = 384,447/x
  3. Step 3: Cross multiply
    1,132,401x = 1,698,863.94 × 384,447
  4. Step 4: Simplify right side
    1,132,401x = 653,123,145,141.18
  5. Step 5: Solve for x
    x = 653,123,145,141.18/1,132,401
  6. Step 6: Final answer
    x = 576,759.60

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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.