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Finding the Fourth Proportional to 444,585.49, 666,878.72 and 208,094.25

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Solution

The fourth proportional to 444,585.49, 666,878.72 and 208,094.25 is: 312,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,585.49 : 666,878.72 = 208,094.25 : x
  2. Step 2: Convert to fraction form
    444,585.49/666,878.72 = 208,094.25/x
  3. Step 3: Cross multiply
    444,585.49x = 666,878.72 × 208,094.25
  4. Step 4: Simplify right side
    444,585.49x = 138,773,625,959.02
  5. Step 5: Solve for x
    x = 138,773,625,959.02/444,585.49
  6. Step 6: Final answer
    x = 312,141.60

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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.