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Finding the Fourth Proportional to 350,887, 484,194.63 and 207,621.94

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Solution

The fourth proportional to 350,887, 484,194.63 and 207,621.94 is: 286,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,887 : 484,194.63 = 207,621.94 : x
  2. Step 2: Convert to fraction form
    350,887/484,194.63 = 207,621.94/x
  3. Step 3: Cross multiply
    350,887x = 484,194.63 × 207,621.94
  4. Step 4: Simplify right side
    350,887x = 100,529,428,418.18
  5. Step 5: Solve for x
    x = 100,529,428,418.18/350,887
  6. Step 6: Final answer
    x = 286,500.86

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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.