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Finding the Fourth Proportional to 377,999.90, 566,999.85 and 228,700.70

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Solution

The fourth proportional to 377,999.90, 566,999.85 and 228,700.70 is: 343,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,999.90 : 566,999.85 = 228,700.70 : x
  2. Step 2: Convert to fraction form
    377,999.90/566,999.85 = 228,700.70/x
  3. Step 3: Cross multiply
    377,999.90x = 566,999.85 × 228,700.70
  4. Step 4: Simplify right side
    377,999.90x = 129,673,262,594.90
  5. Step 5: Solve for x
    x = 129,673,262,594.90/377,999.90
  6. Step 6: Final answer
    x = 343,051.05

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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.