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Finding the Fourth Proportional to 324,731.96, 447,838.93 and 270,464.30

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Solution

The fourth proportional to 324,731.96, 447,838.93 and 270,464.30 is: 372,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,731.96 : 447,838.93 = 270,464.30 : x
  2. Step 2: Convert to fraction form
    324,731.96/447,838.93 = 270,464.30/x
  3. Step 3: Cross multiply
    324,731.96x = 447,838.93 × 270,464.30
  4. Step 4: Simplify right side
    324,731.96x = 121,124,442,715.20
  5. Step 5: Solve for x
    x = 121,124,442,715.20/324,731.96
  6. Step 6: Final answer
    x = 372,998.22

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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.