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Finding the Fourth Proportional to 448,515.60, 672,641.32 and 167,967.24

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Solution

The fourth proportional to 448,515.60, 672,641.32 and 167,967.24 is: 251,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,515.60 : 672,641.32 = 167,967.24 : x
  2. Step 2: Convert to fraction form
    448,515.60/672,641.32 = 167,967.24/x
  3. Step 3: Cross multiply
    448,515.60x = 672,641.32 × 167,967.24
  4. Step 4: Simplify right side
    448,515.60x = 112,981,706,030.36
  5. Step 5: Solve for x
    x = 112,981,706,030.36/448,515.60
  6. Step 6: Final answer
    x = 251,901.40

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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.