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Finding the Fourth Proportional to 3,440,798.73, 4,748,320.71 and 1,892,160.27

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Solution

The fourth proportional to 3,440,798.73, 4,748,320.71 and 1,892,160.27 is: 2,611,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,798.73 : 4,748,320.71 = 1,892,160.27 : x
  2. Step 2: Convert to fraction form
    3,440,798.73/4,748,320.71 = 1,892,160.27/x
  3. Step 3: Cross multiply
    3,440,798.73x = 4,748,320.71 × 1,892,160.27
  4. Step 4: Simplify right side
    3,440,798.73x = 8,984,583,796,680.19
  5. Step 5: Solve for x
    x = 8,984,583,796,680.19/3,440,798.73
  6. Step 6: Final answer
    x = 2,611,191.33

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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.