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Finding the Fourth Proportional to 444,055.74, 666,302.31 and 207,364.02

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Solution

The fourth proportional to 444,055.74, 666,302.31 and 207,364.02 is: 311,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,055.74 : 666,302.31 = 207,364.02 : x
  2. Step 2: Convert to fraction form
    444,055.74/666,302.31 = 207,364.02/x
  3. Step 3: Cross multiply
    444,055.74x = 666,302.31 × 207,364.02
  4. Step 4: Simplify right side
    444,055.74x = 138,167,125,536.89
  5. Step 5: Solve for x
    x = 138,167,125,536.89/444,055.74
  6. Step 6: Final answer
    x = 311,148.16

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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.