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Finding the Fourth Proportional to 377,295.96, 565,279.60 and 354,820.44

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Solution

The fourth proportional to 377,295.96, 565,279.60 and 354,820.44 is: 531,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,295.96 : 565,279.60 = 354,820.44 : x
  2. Step 2: Convert to fraction form
    377,295.96/565,279.60 = 354,820.44/x
  3. Step 3: Cross multiply
    377,295.96x = 565,279.60 × 354,820.44
  4. Step 4: Simplify right side
    377,295.96x = 200,572,756,395.02
  5. Step 5: Solve for x
    x = 200,572,756,395.02/377,295.96
  6. Step 6: Final answer
    x = 531,605.89

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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.