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Finding the Fourth Proportional to 435,445.94, 653,210.22 and 169,227.02

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Solution

The fourth proportional to 435,445.94, 653,210.22 and 169,227.02 is: 253,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,445.94 : 653,210.22 = 169,227.02 : x
  2. Step 2: Convert to fraction form
    435,445.94/653,210.22 = 169,227.02/x
  3. Step 3: Cross multiply
    435,445.94x = 653,210.22 × 169,227.02
  4. Step 4: Simplify right side
    435,445.94x = 110,540,818,964.14
  5. Step 5: Solve for x
    x = 110,540,818,964.14/435,445.94
  6. Step 6: Final answer
    x = 253,856.58

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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.