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Finding the Fourth Proportional to 448,708.64, 672,501.65 and 224,131.76

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Solution

The fourth proportional to 448,708.64, 672,501.65 and 224,131.76 is: 335,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,708.64 : 672,501.65 = 224,131.76 : x
  2. Step 2: Convert to fraction form
    448,708.64/672,501.65 = 224,131.76/x
  3. Step 3: Cross multiply
    448,708.64x = 672,501.65 × 224,131.76
  4. Step 4: Simplify right side
    448,708.64x = 150,728,973,934.24
  5. Step 5: Solve for x
    x = 150,728,973,934.24/448,708.64
  6. Step 6: Final answer
    x = 335,917.26

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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.