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Finding the Fourth Proportional to 1,308,345.52, 1,805,568 and 735,383.92

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Solution

The fourth proportional to 1,308,345.52, 1,805,568 and 735,383.92 is: 1,014,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,345.52 : 1,805,568 = 735,383.92 : x
  2. Step 2: Convert to fraction form
    1,308,345.52/1,805,568 = 735,383.92/x
  3. Step 3: Cross multiply
    1,308,345.52x = 1,805,568 × 735,383.92
  4. Step 4: Simplify right side
    1,308,345.52x = 1,327,785,673,666.56
  5. Step 5: Solve for x
    x = 1,327,785,673,666.56/1,308,345.52
  6. Step 6: Final answer
    x = 1,014,858.58

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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.