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Finding the Fourth Proportional to 616,126.83, 850,224.49 and 344,140.57

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Solution

The fourth proportional to 616,126.83, 850,224.49 and 344,140.57 is: 474,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,126.83 : 850,224.49 = 344,140.57 : x
  2. Step 2: Convert to fraction form
    616,126.83/850,224.49 = 344,140.57/x
  3. Step 3: Cross multiply
    616,126.83x = 850,224.49 × 344,140.57
  4. Step 4: Simplify right side
    616,126.83x = 292,596,740,616.56
  5. Step 5: Solve for x
    x = 292,596,740,616.56/616,126.83
  6. Step 6: Final answer
    x = 474,896.93

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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.