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Finding the Fourth Proportional to 447,794.48, 617,940.07 and 243,840.93

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Solution

The fourth proportional to 447,794.48, 617,940.07 and 243,840.93 is: 336,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,794.48 : 617,940.07 = 243,840.93 : x
  2. Step 2: Convert to fraction form
    447,794.48/617,940.07 = 243,840.93/x
  3. Step 3: Cross multiply
    447,794.48x = 617,940.07 × 243,840.93
  4. Step 4: Simplify right side
    447,794.48x = 150,679,078,426.19
  5. Step 5: Solve for x
    x = 150,679,078,426.19/447,794.48
  6. Step 6: Final answer
    x = 336,491.59

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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.