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Finding the Fourth Proportional to 451,515.47, 622,575.92 and 360,809.24

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Solution

The fourth proportional to 451,515.47, 622,575.92 and 360,809.24 is: 497,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,515.47 : 622,575.92 = 360,809.24 : x
  2. Step 2: Convert to fraction form
    451,515.47/622,575.92 = 360,809.24/x
  3. Step 3: Cross multiply
    451,515.47x = 622,575.92 × 360,809.24
  4. Step 4: Simplify right side
    451,515.47x = 224,631,142,326.64
  5. Step 5: Solve for x
    x = 224,631,142,326.64/451,515.47
  6. Step 6: Final answer
    x = 497,504.87

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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.