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Finding the Fourth Proportional to 363,100.80, 501,043.98 and 210,108.48

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Solution

The fourth proportional to 363,100.80, 501,043.98 and 210,108.48 is: 289,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,100.80 : 501,043.98 = 210,108.48 : x
  2. Step 2: Convert to fraction form
    363,100.80/501,043.98 = 210,108.48/x
  3. Step 3: Cross multiply
    363,100.80x = 501,043.98 × 210,108.48
  4. Step 4: Simplify right side
    363,100.80x = 105,273,589,050.95
  5. Step 5: Solve for x
    x = 105,273,589,050.95/363,100.80
  6. Step 6: Final answer
    x = 289,929.38

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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.