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Finding the Fourth Proportional to 616,475.81, 850,733.78 and 344,543.62

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Solution

The fourth proportional to 616,475.81, 850,733.78 and 344,543.62 is: 475,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,475.81 : 850,733.78 = 344,543.62 : x
  2. Step 2: Convert to fraction form
    616,475.81/850,733.78 = 344,543.62/x
  3. Step 3: Cross multiply
    616,475.81x = 850,733.78 × 344,543.62
  4. Step 4: Simplify right side
    616,475.81x = 293,114,896,217.48
  5. Step 5: Solve for x
    x = 293,114,896,217.48/616,475.81
  6. Step 6: Final answer
    x = 475,468.61

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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.