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Finding the Fourth Proportional to 335,841.60, 503,645.04 and 99,121.44

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Solution

The fourth proportional to 335,841.60, 503,645.04 and 99,121.44 is: 148,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,841.60 : 503,645.04 = 99,121.44 : x
  2. Step 2: Convert to fraction form
    335,841.60/503,645.04 = 99,121.44/x
  3. Step 3: Cross multiply
    335,841.60x = 503,645.04 × 99,121.44
  4. Step 4: Simplify right side
    335,841.60x = 49,922,021,613.66
  5. Step 5: Solve for x
    x = 49,922,021,613.66/335,841.60
  6. Step 6: Final answer
    x = 148,647.52

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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.