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Finding the Fourth Proportional to 353,742.48, 530,648.64 and 113,883.84

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Solution

The fourth proportional to 353,742.48, 530,648.64 and 113,883.84 is: 170,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,742.48 : 530,648.64 = 113,883.84 : x
  2. Step 2: Convert to fraction form
    353,742.48/530,648.64 = 113,883.84/x
  3. Step 3: Cross multiply
    353,742.48x = 530,648.64 × 113,883.84
  4. Step 4: Simplify right side
    353,742.48x = 60,432,304,813.98
  5. Step 5: Solve for x
    x = 60,432,304,813.98/353,742.48
  6. Step 6: Final answer
    x = 170,837.00

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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.