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Finding the Fourth Proportional to 455,546.07, 628,658.63 and 251,592.25

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Solution

The fourth proportional to 455,546.07, 628,658.63 and 251,592.25 is: 347,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,546.07 : 628,658.63 = 251,592.25 : x
  2. Step 2: Convert to fraction form
    455,546.07/628,658.63 = 251,592.25/x
  3. Step 3: Cross multiply
    455,546.07x = 628,658.63 × 251,592.25
  4. Step 4: Simplify right side
    455,546.07x = 158,165,639,203.62
  5. Step 5: Solve for x
    x = 158,165,639,203.62/455,546.07
  6. Step 6: Final answer
    x = 347,200.10

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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.