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Finding the Fourth Proportional to 1,663,733.77, 2,295,954.14 and 899,787.33

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Solution

The fourth proportional to 1,663,733.77, 2,295,954.14 and 899,787.33 is: 1,241,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,733.77 : 2,295,954.14 = 899,787.33 : x
  2. Step 2: Convert to fraction form
    1,663,733.77/2,295,954.14 = 899,787.33/x
  3. Step 3: Cross multiply
    1,663,733.77x = 2,295,954.14 × 899,787.33
  4. Step 4: Simplify right side
    1,663,733.77x = 2,065,870,429,454.34
  5. Step 5: Solve for x
    x = 2,065,870,429,454.34/1,663,733.77
  6. Step 6: Final answer
    x = 1,241,707.34

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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.