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Finding the Fourth Proportional to 1,453,338, 2,005,606.44 and 817,434

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Solution

The fourth proportional to 1,453,338, 2,005,606.44 and 817,434 is: 1,128,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,338 : 2,005,606.44 = 817,434 : x
  2. Step 2: Convert to fraction form
    1,453,338/2,005,606.44 = 817,434/x
  3. Step 3: Cross multiply
    1,453,338x = 2,005,606.44 × 817,434
  4. Step 4: Simplify right side
    1,453,338x = 1,639,450,894,674.96
  5. Step 5: Solve for x
    x = 1,639,450,894,674.96/1,453,338
  6. Step 6: Final answer
    x = 1,128,058.92

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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.