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Finding the Fourth Proportional to 263,802.42, 395,700.15 and 64,122.21

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Solution

The fourth proportional to 263,802.42, 395,700.15 and 64,122.21 is: 96,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,802.42 : 395,700.15 = 64,122.21 : x
  2. Step 2: Convert to fraction form
    263,802.42/395,700.15 = 64,122.21/x
  3. Step 3: Cross multiply
    263,802.42x = 395,700.15 × 64,122.21
  4. Step 4: Simplify right side
    263,802.42x = 25,373,168,115.33
  5. Step 5: Solve for x
    x = 25,373,168,115.33/263,802.42
  6. Step 6: Final answer
    x = 96,182.47

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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.