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Finding the Fourth Proportional to 2,559,445.92, 3,839,373 and 876,564

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Solution

The fourth proportional to 2,559,445.92, 3,839,373 and 876,564 is: 1,314,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559,445.92 : 3,839,373 = 876,564 : x
  2. Step 2: Convert to fraction form
    2,559,445.92/3,839,373 = 876,564/x
  3. Step 3: Cross multiply
    2,559,445.92x = 3,839,373 × 876,564
  4. Step 4: Simplify right side
    2,559,445.92x = 3,365,456,154,372
  5. Step 5: Solve for x
    x = 3,365,456,154,372/2,559,445.92
  6. Step 6: Final answer
    x = 1,314,915.91

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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.