Home / 353,845.40-530,768.10-337,515.80

Finding the Fourth Proportional to 353,845.40, 530,768.10 and 337,515.80

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Solution

The fourth proportional to 353,845.40, 530,768.10 and 337,515.80 is: 506,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,845.40 : 530,768.10 = 337,515.80 : x
  2. Step 2: Convert to fraction form
    353,845.40/530,768.10 = 337,515.80/x
  3. Step 3: Cross multiply
    353,845.40x = 530,768.10 × 337,515.80
  4. Step 4: Simplify right side
    353,845.40x = 179,142,619,885.98
  5. Step 5: Solve for x
    x = 179,142,619,885.98/353,845.40
  6. Step 6: Final answer
    x = 506,273.70

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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.