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Finding the Fourth Proportional to 353,875.64, 530,810.22 and 143,463.56

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Solution

The fourth proportional to 353,875.64, 530,810.22 and 143,463.56 is: 215,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,875.64 : 530,810.22 = 143,463.56 : x
  2. Step 2: Convert to fraction form
    353,875.64/530,810.22 = 143,463.56/x
  3. Step 3: Cross multiply
    353,875.64x = 530,810.22 × 143,463.56
  4. Step 4: Simplify right side
    353,875.64x = 76,151,923,845.58
  5. Step 5: Solve for x
    x = 76,151,923,845.58/353,875.64
  6. Step 6: Final answer
    x = 215,194.03

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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.