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Finding the Fourth Proportional to 530,216.40, 795,204.76 and 151,128.98

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Solution

The fourth proportional to 530,216.40, 795,204.76 and 151,128.98 is: 226,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,216.40 : 795,204.76 = 151,128.98 : x
  2. Step 2: Convert to fraction form
    530,216.40/795,204.76 = 151,128.98/x
  3. Step 3: Cross multiply
    530,216.40x = 795,204.76 × 151,128.98
  4. Step 4: Simplify right side
    530,216.40x = 120,178,484,269.95
  5. Step 5: Solve for x
    x = 120,178,484,269.95/530,216.40
  6. Step 6: Final answer
    x = 226,659.31

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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.