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Finding the Fourth Proportional to 543,861.60, 816,311.28 and 333,909.60

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Solution

The fourth proportional to 543,861.60, 816,311.28 and 333,909.60 is: 501,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,861.60 : 816,311.28 = 333,909.60 : x
  2. Step 2: Convert to fraction form
    543,861.60/816,311.28 = 333,909.60/x
  3. Step 3: Cross multiply
    543,861.60x = 816,311.28 × 333,909.60
  4. Step 4: Simplify right side
    543,861.60x = 272,574,172,980.29
  5. Step 5: Solve for x
    x = 272,574,172,980.29/543,861.60
  6. Step 6: Final answer
    x = 501,182.97

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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.