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Finding the Fourth Proportional to 530,054.82, 795,007.20 and 170,256.95

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Solution

The fourth proportional to 530,054.82, 795,007.20 and 170,256.95 is: 255,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,054.82 : 795,007.20 = 170,256.95 : x
  2. Step 2: Convert to fraction form
    530,054.82/795,007.20 = 170,256.95/x
  3. Step 3: Cross multiply
    530,054.82x = 795,007.20 × 170,256.95
  4. Step 4: Simplify right side
    530,054.82x = 135,355,498,508.79
  5. Step 5: Solve for x
    x = 135,355,498,508.79/530,054.82
  6. Step 6: Final answer
    x = 255,361.32

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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.