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Finding the Fourth Proportional to 388,562.22, 536,068.46 and 235,544.62

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Solution

The fourth proportional to 388,562.22, 536,068.46 and 235,544.62 is: 324,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,562.22 : 536,068.46 = 235,544.62 : x
  2. Step 2: Convert to fraction form
    388,562.22/536,068.46 = 235,544.62/x
  3. Step 3: Cross multiply
    388,562.22x = 536,068.46 × 235,544.62
  4. Step 4: Simplify right side
    388,562.22x = 126,268,041,704.69
  5. Step 5: Solve for x
    x = 126,268,041,704.69/388,562.22
  6. Step 6: Final answer
    x = 324,962.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.