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Finding the Fourth Proportional to 616,280.33, 850,382.30 and 344,314.46

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Solution

The fourth proportional to 616,280.33, 850,382.30 and 344,314.46 is: 475,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,280.33 : 850,382.30 = 344,314.46 : x
  2. Step 2: Convert to fraction form
    616,280.33/850,382.30 = 344,314.46/x
  3. Step 3: Cross multiply
    616,280.33x = 850,382.30 × 344,314.46
  4. Step 4: Simplify right side
    616,280.33x = 292,798,920,696.49
  5. Step 5: Solve for x
    x = 292,798,920,696.49/616,280.33
  6. Step 6: Final answer
    x = 475,106.71

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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.