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Finding the Fourth Proportional to 444,100.09, 666,077.17 and 191,312.01

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Solution

The fourth proportional to 444,100.09, 666,077.17 and 191,312.01 is: 286,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,100.09 : 666,077.17 = 191,312.01 : x
  2. Step 2: Convert to fraction form
    444,100.09/666,077.17 = 191,312.01/x
  3. Step 3: Cross multiply
    444,100.09x = 666,077.17 × 191,312.01
  4. Step 4: Simplify right side
    444,100.09x = 127,428,562,207.81
  5. Step 5: Solve for x
    x = 127,428,562,207.81/444,100.09
  6. Step 6: Final answer
    x = 286,936.58

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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.