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Finding the Fourth Proportional to 447,968.60, 672,212.10 and 167,514.20

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Solution

The fourth proportional to 447,968.60, 672,212.10 and 167,514.20 is: 251,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,968.60 : 672,212.10 = 167,514.20 : x
  2. Step 2: Convert to fraction form
    447,968.60/672,212.10 = 167,514.20/x
  3. Step 3: Cross multiply
    447,968.60x = 672,212.10 × 167,514.20
  4. Step 4: Simplify right side
    447,968.60x = 112,605,072,161.82
  5. Step 5: Solve for x
    x = 112,605,072,161.82/447,968.60
  6. Step 6: Final answer
    x = 251,368.23

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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.