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Finding the Fourth Proportional to 353,655.66, 530,185.96 and 153,825.56

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Solution

The fourth proportional to 353,655.66, 530,185.96 and 153,825.56 is: 230,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,655.66 : 530,185.96 = 153,825.56 : x
  2. Step 2: Convert to fraction form
    353,655.66/530,185.96 = 153,825.56/x
  3. Step 3: Cross multiply
    353,655.66x = 530,185.96 × 153,825.56
  4. Step 4: Simplify right side
    353,655.66x = 81,556,152,201.14
  5. Step 5: Solve for x
    x = 81,556,152,201.14/353,655.66
  6. Step 6: Final answer
    x = 230,608.93

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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.