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Finding the Fourth Proportional to 242,987.35, 364,439.49 and 65,452.84

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Solution

The fourth proportional to 242,987.35, 364,439.49 and 65,452.84 is: 98,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,987.35 : 364,439.49 = 65,452.84 : x
  2. Step 2: Convert to fraction form
    242,987.35/364,439.49 = 65,452.84/x
  3. Step 3: Cross multiply
    242,987.35x = 364,439.49 × 65,452.84
  4. Step 4: Simplify right side
    242,987.35x = 23,853,599,628.65
  5. Step 5: Solve for x
    x = 23,853,599,628.65/242,987.35
  6. Step 6: Final answer
    x = 98,168.07

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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.