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Finding the Fourth Proportional to 339,266.70, 508,900.05 and 152,642.70

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Solution

The fourth proportional to 339,266.70, 508,900.05 and 152,642.70 is: 228,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,266.70 : 508,900.05 = 152,642.70 : x
  2. Step 2: Convert to fraction form
    339,266.70/508,900.05 = 152,642.70/x
  3. Step 3: Cross multiply
    339,266.70x = 508,900.05 × 152,642.70
  4. Step 4: Simplify right side
    339,266.70x = 77,679,877,662.14
  5. Step 5: Solve for x
    x = 77,679,877,662.14/339,266.70
  6. Step 6: Final answer
    x = 228,964.05

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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.