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Finding the Fourth Proportional to 338,070.70, 506,369.13 and 169,296.67

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Solution

The fourth proportional to 338,070.70, 506,369.13 and 169,296.67 is: 253,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,070.70 : 506,369.13 = 169,296.67 : x
  2. Step 2: Convert to fraction form
    338,070.70/506,369.13 = 169,296.67/x
  3. Step 3: Cross multiply
    338,070.70x = 506,369.13 × 169,296.67
  4. Step 4: Simplify right side
    338,070.70x = 85,726,607,499.80
  5. Step 5: Solve for x
    x = 85,726,607,499.80/338,070.70
  6. Step 6: Final answer
    x = 253,575.98

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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.