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Finding the Fourth Proportional to 404,844.40, 607,266.60 and 124,361.20

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Solution

The fourth proportional to 404,844.40, 607,266.60 and 124,361.20 is: 186,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,844.40 : 607,266.60 = 124,361.20 : x
  2. Step 2: Convert to fraction form
    404,844.40/607,266.60 = 124,361.20/x
  3. Step 3: Cross multiply
    404,844.40x = 607,266.60 × 124,361.20
  4. Step 4: Simplify right side
    404,844.40x = 75,520,403,095.92
  5. Step 5: Solve for x
    x = 75,520,403,095.92/404,844.40
  6. Step 6: Final answer
    x = 186,541.80

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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.