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Finding the Fourth Proportional to 323,492.28, 484,909.69 and 134,055.71

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Solution

The fourth proportional to 323,492.28, 484,909.69 and 134,055.71 is: 200,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,492.28 : 484,909.69 = 134,055.71 : x
  2. Step 2: Convert to fraction form
    323,492.28/484,909.69 = 134,055.71/x
  3. Step 3: Cross multiply
    323,492.28x = 484,909.69 × 134,055.71
  4. Step 4: Simplify right side
    323,492.28x = 65,004,912,088.91
  5. Step 5: Solve for x
    x = 65,004,912,088.91/323,492.28
  6. Step 6: Final answer
    x = 200,947.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.