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Finding the Fourth Proportional to 350,908.48, 484,224.20 and 207,643.60

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Solution

The fourth proportional to 350,908.48, 484,224.20 and 207,643.60 is: 286,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,908.48 : 484,224.20 = 207,643.60 : x
  2. Step 2: Convert to fraction form
    350,908.48/484,224.20 = 207,643.60/x
  3. Step 3: Cross multiply
    350,908.48x = 484,224.20 × 207,643.60
  4. Step 4: Simplify right side
    350,908.48x = 100,546,056,095.12
  5. Step 5: Solve for x
    x = 100,546,056,095.12/350,908.48
  6. Step 6: Final answer
    x = 286,530.71

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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.