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Finding the Fourth Proportional to 616,072.35, 850,176.24 and 344,139.42

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Solution

The fourth proportional to 616,072.35, 850,176.24 and 344,139.42 is: 474,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,072.35 : 850,176.24 = 344,139.42 : x
  2. Step 2: Convert to fraction form
    616,072.35/850,176.24 = 344,139.42/x
  3. Step 3: Cross multiply
    616,072.35x = 850,176.24 × 344,139.42
  4. Step 4: Simplify right side
    616,072.35x = 292,579,158,131.38
  5. Step 5: Solve for x
    x = 292,579,158,131.38/616,072.35
  6. Step 6: Final answer
    x = 474,910.39

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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.