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Finding the Fourth Proportional to 616,250.57, 850,347.64 and 361,508.81

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Solution

The fourth proportional to 616,250.57, 850,347.64 and 361,508.81 is: 498,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,250.57 : 850,347.64 = 361,508.81 : x
  2. Step 2: Convert to fraction form
    616,250.57/850,347.64 = 361,508.81/x
  3. Step 3: Cross multiply
    616,250.57x = 850,347.64 × 361,508.81
  4. Step 4: Simplify right side
    616,250.57x = 307,408,164,644.81
  5. Step 5: Solve for x
    x = 307,408,164,644.81/616,250.57
  6. Step 6: Final answer
    x = 498,836.31

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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.