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Finding the Fourth Proportional to 400,457.52, 552,391.25 and 264,491.73

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Solution

The fourth proportional to 400,457.52, 552,391.25 and 264,491.73 is: 364,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,457.52 : 552,391.25 = 264,491.73 : x
  2. Step 2: Convert to fraction form
    400,457.52/552,391.25 = 264,491.73/x
  3. Step 3: Cross multiply
    400,457.52x = 552,391.25 × 264,491.73
  4. Step 4: Simplify right side
    400,457.52x = 146,102,916,026.90
  5. Step 5: Solve for x
    x = 146,102,916,026.90/400,457.52
  6. Step 6: Final answer
    x = 364,839.99

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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.