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Finding the Fourth Proportional to 616,377.40, 850,618.96 and 344,445.94

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Solution

The fourth proportional to 616,377.40, 850,618.96 and 344,445.94 is: 475,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,377.40 : 850,618.96 = 344,445.94 : x
  2. Step 2: Convert to fraction form
    616,377.40/850,618.96 = 344,445.94/x
  3. Step 3: Cross multiply
    616,377.40x = 850,618.96 × 344,445.94
  4. Step 4: Simplify right side
    616,377.40x = 292,992,247,259.02
  5. Step 5: Solve for x
    x = 292,992,247,259.02/616,377.40
  6. Step 6: Final answer
    x = 475,345.54

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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.