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Finding the Fourth Proportional to 808,851.60, 1,213,277.40 and 808,851.60

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Solution

The fourth proportional to 808,851.60, 1,213,277.40 and 808,851.60 is: 1,213,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,851.60 : 1,213,277.40 = 808,851.60 : x
  2. Step 2: Convert to fraction form
    808,851.60/1,213,277.40 = 808,851.60/x
  3. Step 3: Cross multiply
    808,851.60x = 1,213,277.40 × 808,851.60
  4. Step 4: Simplify right side
    808,851.60x = 981,361,366,233.84
  5. Step 5: Solve for x
    x = 981,361,366,233.84/808,851.60
  6. Step 6: Final answer
    x = 1,213,277.40

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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.