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Finding the Fourth Proportional to 503,299.42, 755,461.26 and 219,116.98

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Solution

The fourth proportional to 503,299.42, 755,461.26 and 219,116.98 is: 328,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,299.42 : 755,461.26 = 219,116.98 : x
  2. Step 2: Convert to fraction form
    503,299.42/755,461.26 = 219,116.98/x
  3. Step 3: Cross multiply
    503,299.42x = 755,461.26 × 219,116.98
  4. Step 4: Simplify right side
    503,299.42x = 165,534,389,798.20
  5. Step 5: Solve for x
    x = 165,534,389,798.20/503,299.42
  6. Step 6: Final answer
    x = 328,898.43

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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.