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Finding the Fourth Proportional to 356,269, 534,429.34 and 119,609.64

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Solution

The fourth proportional to 356,269, 534,429.34 and 119,609.64 is: 179,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,269 : 534,429.34 = 119,609.64 : x
  2. Step 2: Convert to fraction form
    356,269/534,429.34 = 119,609.64/x
  3. Step 3: Cross multiply
    356,269x = 534,429.34 × 119,609.64
  4. Step 4: Simplify right side
    356,269x = 63,922,900,962.84
  5. Step 5: Solve for x
    x = 63,922,900,962.84/356,269
  6. Step 6: Final answer
    x = 179,423.14

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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.