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Finding the Fourth Proportional to 307,816.44, 462,425.22 and 222,689.85

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Solution

The fourth proportional to 307,816.44, 462,425.22 and 222,689.85 is: 334,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,816.44 : 462,425.22 = 222,689.85 : x
  2. Step 2: Convert to fraction form
    307,816.44/462,425.22 = 222,689.85/x
  3. Step 3: Cross multiply
    307,816.44x = 462,425.22 × 222,689.85
  4. Step 4: Simplify right side
    307,816.44x = 102,977,402,878.02
  5. Step 5: Solve for x
    x = 102,977,402,878.02/307,816.44
  6. Step 6: Final answer
    x = 334,541.60

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1.5x scale

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.