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Finding the Fourth Proportional to 616,755.38, 925,269.14 and 262,072.58

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Solution

The fourth proportional to 616,755.38, 925,269.14 and 262,072.58 is: 393,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,755.38 : 925,269.14 = 262,072.58 : x
  2. Step 2: Convert to fraction form
    616,755.38/925,269.14 = 262,072.58/x
  3. Step 3: Cross multiply
    616,755.38x = 925,269.14 × 262,072.58
  4. Step 4: Simplify right side
    616,755.38x = 242,487,666,743.02
  5. Step 5: Solve for x
    x = 242,487,666,743.02/616,755.38
  6. Step 6: Final answer
    x = 393,166.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.