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Finding the Fourth Proportional to 616,757.58, 851,230.67 and 358,784.24

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Solution

The fourth proportional to 616,757.58, 851,230.67 and 358,784.24 is: 495,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,757.58 : 851,230.67 = 358,784.24 : x
  2. Step 2: Convert to fraction form
    616,757.58/851,230.67 = 358,784.24/x
  3. Step 3: Cross multiply
    616,757.58x = 851,230.67 × 358,784.24
  4. Step 4: Simplify right side
    616,757.58x = 305,408,142,950.57
  5. Step 5: Solve for x
    x = 305,408,142,950.57/616,757.58
  6. Step 6: Final answer
    x = 495,183.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.