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Finding the Fourth Proportional to 855,262.92, 1,282,008.54 and 703,913

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Solution

The fourth proportional to 855,262.92, 1,282,008.54 and 703,913 is: 1,055,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,262.92 : 1,282,008.54 = 703,913 : x
  2. Step 2: Convert to fraction form
    855,262.92/1,282,008.54 = 703,913/x
  3. Step 3: Cross multiply
    855,262.92x = 1,282,008.54 × 703,913
  4. Step 4: Simplify right side
    855,262.92x = 902,422,477,417.02
  5. Step 5: Solve for x
    x = 902,422,477,417.02/855,262.92
  6. Step 6: Final answer
    x = 1,055,140.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.