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Finding the Fourth Proportional to 350,936.93, 526,405.48 and 98,254.64

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Solution

The fourth proportional to 350,936.93, 526,405.48 and 98,254.64 is: 147,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,936.93 : 526,405.48 = 98,254.64 : x
  2. Step 2: Convert to fraction form
    350,936.93/526,405.48 = 98,254.64/x
  3. Step 3: Cross multiply
    350,936.93x = 526,405.48 × 98,254.64
  4. Step 4: Simplify right side
    350,936.93x = 51,721,782,001.80
  5. Step 5: Solve for x
    x = 51,721,782,001.80/350,936.93
  6. Step 6: Final answer
    x = 147,381.99

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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.