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Finding the Fourth Proportional to 1,832,796.64, 2,529,137.82 and 1,016,948.62

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Solution

The fourth proportional to 1,832,796.64, 2,529,137.82 and 1,016,948.62 is: 1,403,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,796.64 : 2,529,137.82 = 1,016,948.62 : x
  2. Step 2: Convert to fraction form
    1,832,796.64/2,529,137.82 = 1,016,948.62/x
  3. Step 3: Cross multiply
    1,832,796.64x = 2,529,137.82 × 1,016,948.62
  4. Step 4: Simplify right side
    1,832,796.64x = 2,572,003,215,838.81
  5. Step 5: Solve for x
    x = 2,572,003,215,838.81/1,832,796.64
  6. Step 6: Final answer
    x = 1,403,321.66

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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.