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Finding the Fourth Proportional to 444,191.72, 612,985.38 and 242,987.72

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Solution

The fourth proportional to 444,191.72, 612,985.38 and 242,987.72 is: 335,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,191.72 : 612,985.38 = 242,987.72 : x
  2. Step 2: Convert to fraction form
    444,191.72/612,985.38 = 242,987.72/x
  3. Step 3: Cross multiply
    444,191.72x = 612,985.38 × 242,987.72
  4. Step 4: Simplify right side
    444,191.72x = 148,947,919,879.53
  5. Step 5: Solve for x
    x = 148,947,919,879.53/444,191.72
  6. Step 6: Final answer
    x = 335,323.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.