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Finding the Fourth Proportional to 351,224.52, 484,689.84 and 190,080.72

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Solution

The fourth proportional to 351,224.52, 484,689.84 and 190,080.72 is: 262,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,224.52 : 484,689.84 = 190,080.72 : x
  2. Step 2: Convert to fraction form
    351,224.52/484,689.84 = 190,080.72/x
  3. Step 3: Cross multiply
    351,224.52x = 484,689.84 × 190,080.72
  4. Step 4: Simplify right side
    351,224.52x = 92,130,193,763.88
  5. Step 5: Solve for x
    x = 92,130,193,763.88/351,224.52
  6. Step 6: Final answer
    x = 262,311.39

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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.