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Finding the Fourth Proportional to 551,969.60, 827,954.40 and 530,974.40

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Solution

The fourth proportional to 551,969.60, 827,954.40 and 530,974.40 is: 796,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,969.60 : 827,954.40 = 530,974.40 : x
  2. Step 2: Convert to fraction form
    551,969.60/827,954.40 = 530,974.40/x
  3. Step 3: Cross multiply
    551,969.60x = 827,954.40 × 530,974.40
  4. Step 4: Simplify right side
    551,969.60x = 439,622,590,767.36
  5. Step 5: Solve for x
    x = 439,622,590,767.36/551,969.60
  6. Step 6: Final answer
    x = 796,461.60

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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.