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Finding the Fourth Proportional to 306,560.91, 459,176.75 and 148,457.82

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Solution

The fourth proportional to 306,560.91, 459,176.75 and 148,457.82 is: 222,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,560.91 : 459,176.75 = 148,457.82 : x
  2. Step 2: Convert to fraction form
    306,560.91/459,176.75 = 148,457.82/x
  3. Step 3: Cross multiply
    306,560.91x = 459,176.75 × 148,457.82
  4. Step 4: Simplify right side
    306,560.91x = 68,168,378,557.40
  5. Step 5: Solve for x
    x = 68,168,378,557.40/306,560.91
  6. Step 6: Final answer
    x = 222,364.88

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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.