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Finding the Fourth Proportional to 364,963.40, 503,613.50 and 203,814.98

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Solution

The fourth proportional to 364,963.40, 503,613.50 and 203,814.98 is: 281,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,963.40 : 503,613.50 = 203,814.98 : x
  2. Step 2: Convert to fraction form
    364,963.40/503,613.50 = 203,814.98/x
  3. Step 3: Cross multiply
    364,963.40x = 503,613.50 × 203,814.98
  4. Step 4: Simplify right side
    364,963.40x = 102,643,971,893.09
  5. Step 5: Solve for x
    x = 102,643,971,893.09/364,963.40
  6. Step 6: Final answer
    x = 281,244.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.