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Finding the Fourth Proportional to 1,608,441.76, 2,411,954.16 and 755,756

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Solution

The fourth proportional to 1,608,441.76, 2,411,954.16 and 755,756 is: 1,133,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,441.76 : 2,411,954.16 = 755,756 : x
  2. Step 2: Convert to fraction form
    1,608,441.76/2,411,954.16 = 755,756/x
  3. Step 3: Cross multiply
    1,608,441.76x = 2,411,954.16 × 755,756
  4. Step 4: Simplify right side
    1,608,441.76x = 1,822,848,828,144.96
  5. Step 5: Solve for x
    x = 1,822,848,828,144.96/1,608,441.76
  6. Step 6: Final answer
    x = 1,133,301.11

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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.