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Finding the Fourth Proportional to 435,206.78, 652,285.20 and 224,729.98

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Solution

The fourth proportional to 435,206.78, 652,285.20 and 224,729.98 is: 336,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,206.78 : 652,285.20 = 224,729.98 : x
  2. Step 2: Convert to fraction form
    435,206.78/652,285.20 = 224,729.98/x
  3. Step 3: Cross multiply
    435,206.78x = 652,285.20 × 224,729.98
  4. Step 4: Simplify right side
    435,206.78x = 146,588,039,950.30
  5. Step 5: Solve for x
    x = 146,588,039,950.30/435,206.78
  6. Step 6: Final answer
    x = 336,823.89

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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.