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Finding the Fourth Proportional to 397,053.20, 595,530.54 and 235,043.64

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Solution

The fourth proportional to 397,053.20, 595,530.54 and 235,043.64 is: 352,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,053.20 : 595,530.54 = 235,043.64 : x
  2. Step 2: Convert to fraction form
    397,053.20/595,530.54 = 235,043.64/x
  3. Step 3: Cross multiply
    397,053.20x = 595,530.54 × 235,043.64
  4. Step 4: Simplify right side
    397,053.20x = 139,975,665,852.77
  5. Step 5: Solve for x
    x = 139,975,665,852.77/397,053.20
  6. Step 6: Final answer
    x = 352,536.30

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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.