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Finding the Fourth Proportional to 263,342.86, 363,412.90 and 148,645.64

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Solution

The fourth proportional to 263,342.86, 363,412.90 and 148,645.64 is: 205,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,342.86 : 363,412.90 = 148,645.64 : x
  2. Step 2: Convert to fraction form
    263,342.86/363,412.90 = 148,645.64/x
  3. Step 3: Cross multiply
    263,342.86x = 363,412.90 × 148,645.64
  4. Step 4: Simplify right side
    263,342.86x = 54,019,743,104.76
  5. Step 5: Solve for x
    x = 54,019,743,104.76/263,342.86
  6. Step 6: Final answer
    x = 205,130.84

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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.