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Finding the Fourth Proportional to 364,806.20, 547,209.30 and 167,814.20

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Solution

The fourth proportional to 364,806.20, 547,209.30 and 167,814.20 is: 251,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,806.20 : 547,209.30 = 167,814.20 : x
  2. Step 2: Convert to fraction form
    364,806.20/547,209.30 = 167,814.20/x
  3. Step 3: Cross multiply
    364,806.20x = 547,209.30 × 167,814.20
  4. Step 4: Simplify right side
    364,806.20x = 91,829,490,912.06
  5. Step 5: Solve for x
    x = 91,829,490,912.06/364,806.20
  6. Step 6: Final answer
    x = 251,721.30

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1.5x scale

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.