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Finding the Fourth Proportional to 306,558.52, 459,703.73 and 154,662.15

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Solution

The fourth proportional to 306,558.52, 459,703.73 and 154,662.15 is: 231,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,558.52 : 459,703.73 = 154,662.15 : x
  2. Step 2: Convert to fraction form
    306,558.52/459,703.73 = 154,662.15/x
  3. Step 3: Cross multiply
    306,558.52x = 459,703.73 × 154,662.15
  4. Step 4: Simplify right side
    306,558.52x = 71,098,767,244.82
  5. Step 5: Solve for x
    x = 71,098,767,244.82/306,558.52
  6. Step 6: Final answer
    x = 231,925.60

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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.