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Finding the Fourth Proportional to 301,513.21, 452,279.80 and 151,671.85

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Solution

The fourth proportional to 301,513.21, 452,279.80 and 151,671.85 is: 227,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,513.21 : 452,279.80 = 151,671.85 : x
  2. Step 2: Convert to fraction form
    301,513.21/452,279.80 = 151,671.85/x
  3. Step 3: Cross multiply
    301,513.21x = 452,279.80 × 151,671.85
  4. Step 4: Simplify right side
    301,513.21x = 68,598,110,963.87
  5. Step 5: Solve for x
    x = 68,598,110,963.87/301,513.21
  6. Step 6: Final answer
    x = 227,512.79

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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.