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Finding the Fourth Proportional to 444,672.12, 666,919.35 and 160,354.74

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Solution

The fourth proportional to 444,672.12, 666,919.35 and 160,354.74 is: 240,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,672.12 : 666,919.35 = 160,354.74 : x
  2. Step 2: Convert to fraction form
    444,672.12/666,919.35 = 160,354.74/x
  3. Step 3: Cross multiply
    444,672.12x = 666,919.35 × 160,354.74
  4. Step 4: Simplify right side
    444,672.12x = 106,943,678,970.22
  5. Step 5: Solve for x
    x = 106,943,678,970.22/444,672.12
  6. Step 6: Final answer
    x = 240,500.08

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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.