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Finding the Fourth Proportional to 556,647.68, 835,098.88 and 241,157.12

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Solution

The fourth proportional to 556,647.68, 835,098.88 and 241,157.12 is: 361,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,647.68 : 835,098.88 = 241,157.12 : x
  2. Step 2: Convert to fraction form
    556,647.68/835,098.88 = 241,157.12/x
  3. Step 3: Cross multiply
    556,647.68x = 835,098.88 × 241,157.12
  4. Step 4: Simplify right side
    556,647.68x = 201,390,040,816.03
  5. Step 5: Solve for x
    x = 201,390,040,816.03/556,647.68
  6. Step 6: Final answer
    x = 361,790.86

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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.