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Finding the Fourth Proportional to 616,635.81, 850,960.83 and 344,715.16

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Solution

The fourth proportional to 616,635.81, 850,960.83 and 344,715.16 is: 475,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,635.81 : 850,960.83 = 344,715.16 : x
  2. Step 2: Convert to fraction form
    616,635.81/850,960.83 = 344,715.16/x
  3. Step 3: Cross multiply
    616,635.81x = 850,960.83 × 344,715.16
  4. Step 4: Simplify right side
    616,635.81x = 293,339,098,799.24
  5. Step 5: Solve for x
    x = 293,339,098,799.24/616,635.81
  6. Step 6: Final answer
    x = 475,708.83

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1.5x scale

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.