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Finding the Fourth Proportional to 435,480.63, 653,262.35 and 169,261.71

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Solution

The fourth proportional to 435,480.63, 653,262.35 and 169,261.71 is: 253,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480.63 : 653,262.35 = 169,261.71 : x
  2. Step 2: Convert to fraction form
    435,480.63/653,262.35 = 169,261.71/x
  3. Step 3: Cross multiply
    435,480.63x = 653,262.35 × 169,261.71
  4. Step 4: Simplify right side
    435,480.63x = 110,572,301,593.31
  5. Step 5: Solve for x
    x = 110,572,301,593.31/435,480.63
  6. Step 6: Final answer
    x = 253,908.66

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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.