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Finding the Fourth Proportional to 448,398.67, 672,986.58 and 235,317.13

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Solution

The fourth proportional to 448,398.67, 672,986.58 and 235,317.13 is: 353,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,398.67 : 672,986.58 = 235,317.13 : x
  2. Step 2: Convert to fraction form
    448,398.67/672,986.58 = 235,317.13/x
  3. Step 3: Cross multiply
    448,398.67x = 672,986.58 × 235,317.13
  4. Step 4: Simplify right side
    448,398.67x = 158,365,271,754.76
  5. Step 5: Solve for x
    x = 158,365,271,754.76/448,398.67
  6. Step 6: Final answer
    x = 353,179.62

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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.