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Finding the Fourth Proportional to 447,359.00, 617,372.42 and 256,409.24

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Solution

The fourth proportional to 447,359.00, 617,372.42 and 256,409.24 is: 353,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,359.00 : 617,372.42 = 256,409.24 : x
  2. Step 2: Convert to fraction form
    447,359.00/617,372.42 = 256,409.24/x
  3. Step 3: Cross multiply
    447,359.00x = 617,372.42 × 256,409.24
  4. Step 4: Simplify right side
    447,359.00x = 158,299,988,640.25
  5. Step 5: Solve for x
    x = 158,299,988,640.25/447,359.00
  6. Step 6: Final answer
    x = 353,854.49

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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.