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Finding the Fourth Proportional to 444,436.66, 666,536.10 and 124,570.60

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Solution

The fourth proportional to 444,436.66, 666,536.10 and 124,570.60 is: 186,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,436.66 : 666,536.10 = 124,570.60 : x
  2. Step 2: Convert to fraction form
    444,436.66/666,536.10 = 124,570.60/x
  3. Step 3: Cross multiply
    444,436.66x = 666,536.10 × 124,570.60
  4. Step 4: Simplify right side
    444,436.66x = 83,030,801,898.66
  5. Step 5: Solve for x
    x = 83,030,801,898.66/444,436.66
  6. Step 6: Final answer
    x = 186,822.58

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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.