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Finding the Fourth Proportional to 435,443.94, 653,207.22 and 169,225.02

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Solution

The fourth proportional to 435,443.94, 653,207.22 and 169,225.02 is: 253,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,443.94 : 653,207.22 = 169,225.02 : x
  2. Step 2: Convert to fraction form
    435,443.94/653,207.22 = 169,225.02/x
  3. Step 3: Cross multiply
    435,443.94x = 653,207.22 × 169,225.02
  4. Step 4: Simplify right side
    435,443.94x = 110,539,004,868.64
  5. Step 5: Solve for x
    x = 110,539,004,868.64/435,443.94
  6. Step 6: Final answer
    x = 253,853.58

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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.