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Finding the Fourth Proportional to 353,479.52, 530,100.36 and 113,534.54

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Solution

The fourth proportional to 353,479.52, 530,100.36 and 113,534.54 is: 170,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,479.52 : 530,100.36 = 113,534.54 : x
  2. Step 2: Convert to fraction form
    353,479.52/530,100.36 = 113,534.54/x
  3. Step 3: Cross multiply
    353,479.52x = 530,100.36 × 113,534.54
  4. Step 4: Simplify right side
    353,479.52x = 60,184,700,526.43
  5. Step 5: Solve for x
    x = 60,184,700,526.43/353,479.52
  6. Step 6: Final answer
    x = 170,263.61

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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.