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Finding the Fourth Proportional to 506,016.42, 759,149.20 and 356,548.60

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Solution

The fourth proportional to 506,016.42, 759,149.20 and 356,548.60 is: 534,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,016.42 : 759,149.20 = 356,548.60 : x
  2. Step 2: Convert to fraction form
    506,016.42/759,149.20 = 356,548.60/x
  3. Step 3: Cross multiply
    506,016.42x = 759,149.20 × 356,548.60
  4. Step 4: Simplify right side
    506,016.42x = 270,673,583,840.16
  5. Step 5: Solve for x
    x = 270,673,583,840.16/506,016.42
  6. Step 6: Final answer
    x = 534,910.68

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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.