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Finding the Fourth Proportional to 307,007.48, 459,660.90 and 156,924.60

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Solution

The fourth proportional to 307,007.48, 459,660.90 and 156,924.60 is: 234,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,007.48 : 459,660.90 = 156,924.60 : x
  2. Step 2: Convert to fraction form
    307,007.48/459,660.90 = 156,924.60/x
  3. Step 3: Cross multiply
    307,007.48x = 459,660.90 × 156,924.60
  4. Step 4: Simplify right side
    307,007.48x = 72,132,102,868.14
  5. Step 5: Solve for x
    x = 72,132,102,868.14/307,007.48
  6. Step 6: Final answer
    x = 234,952.27

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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.