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Finding the Fourth Proportional to 353,372.96, 530,051.16 and 113,486.40

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Solution

The fourth proportional to 353,372.96, 530,051.16 and 113,486.40 is: 170,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,372.96 : 530,051.16 = 113,486.40 : x
  2. Step 2: Convert to fraction form
    353,372.96/530,051.16 = 113,486.40/x
  3. Step 3: Cross multiply
    353,372.96x = 530,051.16 × 113,486.40
  4. Step 4: Simplify right side
    353,372.96x = 60,153,597,964.22
  5. Step 5: Solve for x
    x = 60,153,597,964.22/353,372.96
  6. Step 6: Final answer
    x = 170,226.94

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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.