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Finding the Fourth Proportional to 473,217.76, 709,236.15 and 236,628.10

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Solution

The fourth proportional to 473,217.76, 709,236.15 and 236,628.10 is: 354,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,217.76 : 709,236.15 = 236,628.10 : x
  2. Step 2: Convert to fraction form
    473,217.76/709,236.15 = 236,628.10/x
  3. Step 3: Cross multiply
    473,217.76x = 709,236.15 × 236,628.10
  4. Step 4: Simplify right side
    473,217.76x = 167,825,203,956.04
  5. Step 5: Solve for x
    x = 167,825,203,956.04/473,217.76
  6. Step 6: Final answer
    x = 354,646.88

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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.