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Finding the Fourth Proportional to 1,663,773.92, 2,296,007.98 and 899,827.48

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Solution

The fourth proportional to 1,663,773.92, 2,296,007.98 and 899,827.48 is: 1,241,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,773.92 : 2,296,007.98 = 899,827.48 : x
  2. Step 2: Convert to fraction form
    1,663,773.92/2,296,007.98 = 899,827.48/x
  3. Step 3: Cross multiply
    1,663,773.92x = 2,296,007.98 × 899,827.48
  4. Step 4: Simplify right side
    1,663,773.92x = 2,066,011,074,703.29
  5. Step 5: Solve for x
    x = 2,066,011,074,703.29/1,663,773.92
  6. Step 6: Final answer
    x = 1,241,761.91

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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.