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Finding the Fourth Proportional to 339,014.40, 508,651.20 and 333,700.80

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Solution

The fourth proportional to 339,014.40, 508,651.20 and 333,700.80 is: 500,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,014.40 : 508,651.20 = 333,700.80 : x
  2. Step 2: Convert to fraction form
    339,014.40/508,651.20 = 333,700.80/x
  3. Step 3: Cross multiply
    339,014.40x = 508,651.20 × 333,700.80
  4. Step 4: Simplify right side
    339,014.40x = 169,737,312,360.96
  5. Step 5: Solve for x
    x = 169,737,312,360.96/339,014.40
  6. Step 6: Final answer
    x = 500,678.77

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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.