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Finding the Fourth Proportional to 350,056.60, 524,163.30 and 256,053.40

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Solution

The fourth proportional to 350,056.60, 524,163.30 and 256,053.40 is: 383,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,056.60 : 524,163.30 = 256,053.40 : x
  2. Step 2: Convert to fraction form
    350,056.60/524,163.30 = 256,053.40/x
  3. Step 3: Cross multiply
    350,056.60x = 524,163.30 × 256,053.40
  4. Step 4: Simplify right side
    350,056.60x = 134,213,795,120.22
  5. Step 5: Solve for x
    x = 134,213,795,120.22/350,056.60
  6. Step 6: Final answer
    x = 383,405.98

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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.