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Finding the Fourth Proportional to 561,391.26, 842,085.72 and 224,510.64

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Solution

The fourth proportional to 561,391.26, 842,085.72 and 224,510.64 is: 336,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,391.26 : 842,085.72 = 224,510.64 : x
  2. Step 2: Convert to fraction form
    561,391.26/842,085.72 = 224,510.64/x
  3. Step 3: Cross multiply
    561,391.26x = 842,085.72 × 224,510.64
  4. Step 4: Simplify right side
    561,391.26x = 189,057,203,932.06
  5. Step 5: Solve for x
    x = 189,057,203,932.06/561,391.26
  6. Step 6: Final answer
    x = 336,765.49

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Double scale
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Similar ratio
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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.