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Finding the Fourth Proportional to 435,484.38, 653,058.60 and 169,209.84

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Solution

The fourth proportional to 435,484.38, 653,058.60 and 169,209.84 is: 253,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,484.38 : 653,058.60 = 169,209.84 : x
  2. Step 2: Convert to fraction form
    435,484.38/653,058.60 = 169,209.84/x
  3. Step 3: Cross multiply
    435,484.38x = 653,058.60 × 169,209.84
  4. Step 4: Simplify right side
    435,484.38x = 110,503,941,216.62
  5. Step 5: Solve for x
    x = 110,503,941,216.62/435,484.38
  6. Step 6: Final answer
    x = 253,749.49

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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.