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Finding the Fourth Proportional to 552,823.20, 829,234.80 and 375,676.20

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Solution

The fourth proportional to 552,823.20, 829,234.80 and 375,676.20 is: 563,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,823.20 : 829,234.80 = 375,676.20 : x
  2. Step 2: Convert to fraction form
    552,823.20/829,234.80 = 375,676.20/x
  3. Step 3: Cross multiply
    552,823.20x = 829,234.80 × 375,676.20
  4. Step 4: Simplify right side
    552,823.20x = 311,523,778,571.76
  5. Step 5: Solve for x
    x = 311,523,778,571.76/552,823.20
  6. Step 6: Final answer
    x = 563,514.30

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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.