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Finding the Fourth Proportional to 1,569,673, 2,354,531.64 and 447,742

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Solution

The fourth proportional to 1,569,673, 2,354,531.64 and 447,742 is: 671,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,673 : 2,354,531.64 = 447,742 : x
  2. Step 2: Convert to fraction form
    1,569,673/2,354,531.64 = 447,742/x
  3. Step 3: Cross multiply
    1,569,673x = 2,354,531.64 × 447,742
  4. Step 4: Simplify right side
    1,569,673x = 1,054,222,705,556.88
  5. Step 5: Solve for x
    x = 1,054,222,705,556.88/1,569,673
  6. Step 6: Final answer
    x = 671,619.32

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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.