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Finding the Fourth Proportional to 496,146.92, 684,689.56 and 371,747.63

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Solution

The fourth proportional to 496,146.92, 684,689.56 and 371,747.63 is: 513,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,146.92 : 684,689.56 = 371,747.63 : x
  2. Step 2: Convert to fraction form
    496,146.92/684,689.56 = 371,747.63/x
  3. Step 3: Cross multiply
    496,146.92x = 684,689.56 × 371,747.63
  4. Step 4: Simplify right side
    496,146.92x = 254,531,718,146.72
  5. Step 5: Solve for x
    x = 254,531,718,146.72/496,146.92
  6. Step 6: Final answer
    x = 513,016.83

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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.