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Finding the Fourth Proportional to 448,565.60, 672,086.74 and 270,698.92

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Solution

The fourth proportional to 448,565.60, 672,086.74 and 270,698.92 is: 405,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,565.60 : 672,086.74 = 270,698.92 : x
  2. Step 2: Convert to fraction form
    448,565.60/672,086.74 = 270,698.92/x
  3. Step 3: Cross multiply
    448,565.60x = 672,086.74 × 270,698.92
  4. Step 4: Simplify right side
    448,565.60x = 181,933,154,664.32
  5. Step 5: Solve for x
    x = 181,933,154,664.32/448,565.60
  6. Step 6: Final answer
    x = 405,588.74

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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.