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Finding the Fourth Proportional to 541,297.60, 811,946.40 and 531,966.40

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Solution

The fourth proportional to 541,297.60, 811,946.40 and 531,966.40 is: 797,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,297.60 : 811,946.40 = 531,966.40 : x
  2. Step 2: Convert to fraction form
    541,297.60/811,946.40 = 531,966.40/x
  3. Step 3: Cross multiply
    541,297.60x = 811,946.40 × 531,966.40
  4. Step 4: Simplify right side
    541,297.60x = 431,928,203,400.96
  5. Step 5: Solve for x
    x = 431,928,203,400.96/541,297.60
  6. Step 6: Final answer
    x = 797,949.60

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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.