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Finding the Fourth Proportional to 817,518.60, 1,233,957.03 and 817,518.60

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Solution

The fourth proportional to 817,518.60, 1,233,957.03 and 817,518.60 is: 1,233,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,518.60 : 1,233,957.03 = 817,518.60 : x
  2. Step 2: Convert to fraction form
    817,518.60/1,233,957.03 = 817,518.60/x
  3. Step 3: Cross multiply
    817,518.60x = 1,233,957.03 × 817,518.60
  4. Step 4: Simplify right side
    817,518.60x = 1,008,782,823,625.76
  5. Step 5: Solve for x
    x = 1,008,782,823,625.76/817,518.60
  6. Step 6: Final answer
    x = 1,233,957.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.