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Finding the Fourth Proportional to 2,596,630.95, 3,894,583.55 and 890,746.38

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Solution

The fourth proportional to 2,596,630.95, 3,894,583.55 and 890,746.38 is: 1,335,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596,630.95 : 3,894,583.55 = 890,746.38 : x
  2. Step 2: Convert to fraction form
    2,596,630.95/3,894,583.55 = 890,746.38/x
  3. Step 3: Cross multiply
    2,596,630.95x = 3,894,583.55 × 890,746.38
  4. Step 4: Simplify right side
    2,596,630.95x = 3,469,086,194,316.32
  5. Step 5: Solve for x
    x = 3,469,086,194,316.32/2,596,630.95
  6. Step 6: Final answer
    x = 1,335,995.09

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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.