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Finding the Fourth Proportional to 484,810.60, 726,179.10 and 401,866.60

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Solution

The fourth proportional to 484,810.60, 726,179.10 and 401,866.60 is: 601,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,810.60 : 726,179.10 = 401,866.60 : x
  2. Step 2: Convert to fraction form
    484,810.60/726,179.10 = 401,866.60/x
  3. Step 3: Cross multiply
    484,810.60x = 726,179.10 × 401,866.60
  4. Step 4: Simplify right side
    484,810.60x = 291,827,125,908.06
  5. Step 5: Solve for x
    x = 291,827,125,908.06/484,810.60
  6. Step 6: Final answer
    x = 601,940.48

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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.