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Finding the Fourth Proportional to 283,347.60, 425,021.40 and 163,609.35

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Solution

The fourth proportional to 283,347.60, 425,021.40 and 163,609.35 is: 245,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,347.60 : 425,021.40 = 163,609.35 : x
  2. Step 2: Convert to fraction form
    283,347.60/425,021.40 = 163,609.35/x
  3. Step 3: Cross multiply
    283,347.60x = 425,021.40 × 163,609.35
  4. Step 4: Simplify right side
    283,347.60x = 69,537,474,990.09
  5. Step 5: Solve for x
    x = 69,537,474,990.09/283,347.60
  6. Step 6: Final answer
    x = 245,414.03

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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.