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Finding the Fourth Proportional to 444,345.10, 666,517.65 and 111,921.10

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Solution

The fourth proportional to 444,345.10, 666,517.65 and 111,921.10 is: 167,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,345.10 : 666,517.65 = 111,921.10 : x
  2. Step 2: Convert to fraction form
    444,345.10/666,517.65 = 111,921.10/x
  3. Step 3: Cross multiply
    444,345.10x = 666,517.65 × 111,921.10
  4. Step 4: Simplify right side
    444,345.10x = 74,597,388,557.42
  5. Step 5: Solve for x
    x = 74,597,388,557.42/444,345.10
  6. Step 6: Final answer
    x = 167,881.65

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1.5x scale

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.