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Finding the Fourth Proportional to 530,503.58, 795,781.80 and 151,480.54

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Solution

The fourth proportional to 530,503.58, 795,781.80 and 151,480.54 is: 227,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,503.58 : 795,781.80 = 151,480.54 : x
  2. Step 2: Convert to fraction form
    530,503.58/795,781.80 = 151,480.54/x
  3. Step 3: Cross multiply
    530,503.58x = 795,781.80 × 151,480.54
  4. Step 4: Simplify right side
    530,503.58x = 120,545,456,786.17
  5. Step 5: Solve for x
    x = 120,545,456,786.17/530,503.58
  6. Step 6: Final answer
    x = 227,228.36

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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.