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Finding the Fourth Proportional to 529,328.60, 794,223.30 and 266,672.60

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Solution

The fourth proportional to 529,328.60, 794,223.30 and 266,672.60 is: 400,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,328.60 : 794,223.30 = 266,672.60 : x
  2. Step 2: Convert to fraction form
    529,328.60/794,223.30 = 266,672.60/x
  3. Step 3: Cross multiply
    529,328.60x = 794,223.30 × 266,672.60
  4. Step 4: Simplify right side
    529,328.60x = 211,797,592,391.58
  5. Step 5: Solve for x
    x = 211,797,592,391.58/529,328.60
  6. Step 6: Final answer
    x = 400,124.97

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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.