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Finding the Fourth Proportional to 1,576,334, 2,175,340.92 and 860,942

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Solution

The fourth proportional to 1,576,334, 2,175,340.92 and 860,942 is: 1,188,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,334 : 2,175,340.92 = 860,942 : x
  2. Step 2: Convert to fraction form
    1,576,334/2,175,340.92 = 860,942/x
  3. Step 3: Cross multiply
    1,576,334x = 2,175,340.92 × 860,942
  4. Step 4: Simplify right side
    1,576,334x = 1,872,842,362,346.64
  5. Step 5: Solve for x
    x = 1,872,842,362,346.64/1,576,334
  6. Step 6: Final answer
    x = 1,188,099.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.