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Finding the Fourth Proportional to 424,845.73, 586,239 and 250,404.53

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Solution

The fourth proportional to 424,845.73, 586,239 and 250,404.53 is: 345,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,845.73 : 586,239 = 250,404.53 : x
  2. Step 2: Convert to fraction form
    424,845.73/586,239 = 250,404.53/x
  3. Step 3: Cross multiply
    424,845.73x = 586,239 × 250,404.53
  4. Step 4: Simplify right side
    424,845.73x = 146,796,901,262.67
  5. Step 5: Solve for x
    x = 146,796,901,262.67/424,845.73
  6. Step 6: Final answer
    x = 345,529.90

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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.