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Finding the Fourth Proportional to 448,790.03, 619,327.29 and 255,197.76

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Solution

The fourth proportional to 448,790.03, 619,327.29 and 255,197.76 is: 352,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,790.03 : 619,327.29 = 255,197.76 : x
  2. Step 2: Convert to fraction form
    448,790.03/619,327.29 = 255,197.76/x
  3. Step 3: Cross multiply
    448,790.03x = 619,327.29 × 255,197.76
  4. Step 4: Simplify right side
    448,790.03x = 158,050,936,773.50
  5. Step 5: Solve for x
    x = 158,050,936,773.50/448,790.03
  6. Step 6: Final answer
    x = 352,171.23

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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.