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Finding the Fourth Proportional to 1,796,661.60, 2,696,304.60 and 1,265,220.60

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Solution

The fourth proportional to 1,796,661.60, 2,696,304.60 and 1,265,220.60 is: 1,898,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,661.60 : 2,696,304.60 = 1,265,220.60 : x
  2. Step 2: Convert to fraction form
    1,796,661.60/2,696,304.60 = 1,265,220.60/x
  3. Step 3: Cross multiply
    1,796,661.60x = 2,696,304.60 × 1,265,220.60
  4. Step 4: Simplify right side
    1,796,661.60x = 3,411,420,123,794.76
  5. Step 5: Solve for x
    x = 3,411,420,123,794.76/1,796,661.60
  6. Step 6: Final answer
    x = 1,898,754.96

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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.