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Finding the Fourth Proportional to 353,876.51, 530,816.42 and 151,443.00

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Solution

The fourth proportional to 353,876.51, 530,816.42 and 151,443.00 is: 227,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,876.51 : 530,816.42 = 151,443.00 : x
  2. Step 2: Convert to fraction form
    353,876.51/530,816.42 = 151,443.00/x
  3. Step 3: Cross multiply
    353,876.51x = 530,816.42 × 151,443.00
  4. Step 4: Simplify right side
    353,876.51x = 80,388,432,192.23
  5. Step 5: Solve for x
    x = 80,388,432,192.23/353,876.51
  6. Step 6: Final answer
    x = 227,165.21

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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.