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Finding the Fourth Proportional to 306,559.52, 459,705.23 and 154,663.14

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Solution

The fourth proportional to 306,559.52, 459,705.23 and 154,663.14 is: 231,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,559.52 : 459,705.23 = 154,663.14 : x
  2. Step 2: Convert to fraction form
    306,559.52/459,705.23 = 154,663.14/x
  3. Step 3: Cross multiply
    306,559.52x = 459,705.23 × 154,663.14
  4. Step 4: Simplify right side
    306,559.52x = 71,099,453,572.91
  5. Step 5: Solve for x
    x = 71,099,453,572.91/306,559.52
  6. Step 6: Final answer
    x = 231,927.08

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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.