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Finding the Fourth Proportional to 307,088.88, 459,592.20 and 188,834.64

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Solution

The fourth proportional to 307,088.88, 459,592.20 and 188,834.64 is: 282,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,088.88 : 459,592.20 = 188,834.64 : x
  2. Step 2: Convert to fraction form
    307,088.88/459,592.20 = 188,834.64/x
  3. Step 3: Cross multiply
    307,088.88x = 459,592.20 × 188,834.64
  4. Step 4: Simplify right side
    307,088.88x = 86,786,927,633.81
  5. Step 5: Solve for x
    x = 86,786,927,633.81/307,088.88
  6. Step 6: Final answer
    x = 282,611.76

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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.