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Finding the Fourth Proportional to 418,952.39, 628,347.48 and 162,784.52

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Solution

The fourth proportional to 418,952.39, 628,347.48 and 162,784.52 is: 244,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,952.39 : 628,347.48 = 162,784.52 : x
  2. Step 2: Convert to fraction form
    418,952.39/628,347.48 = 162,784.52/x
  3. Step 3: Cross multiply
    418,952.39x = 628,347.48 × 162,784.52
  4. Step 4: Simplify right side
    418,952.39x = 102,285,241,529.13
  5. Step 5: Solve for x
    x = 102,285,241,529.13/418,952.39
  6. Step 6: Final answer
    x = 244,145.27

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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.