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Finding the Fourth Proportional to 530,520.48, 795,999.60 and 214,896.96

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Solution

The fourth proportional to 530,520.48, 795,999.60 and 214,896.96 is: 322,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,520.48 : 795,999.60 = 214,896.96 : x
  2. Step 2: Convert to fraction form
    530,520.48/795,999.60 = 214,896.96/x
  3. Step 3: Cross multiply
    530,520.48x = 795,999.60 × 214,896.96
  4. Step 4: Simplify right side
    530,520.48x = 171,057,894,201.22
  5. Step 5: Solve for x
    x = 171,057,894,201.22/530,520.48
  6. Step 6: Final answer
    x = 322,434.10

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1.5x scale

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.