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Finding the Fourth Proportional to 306,292.68, 459,439.04 and 95,947

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Solution

The fourth proportional to 306,292.68, 459,439.04 and 95,947 is: 143,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,292.68 : 459,439.04 = 95,947 : x
  2. Step 2: Convert to fraction form
    306,292.68/459,439.04 = 95,947/x
  3. Step 3: Cross multiply
    306,292.68x = 459,439.04 × 95,947
  4. Step 4: Simplify right side
    306,292.68x = 44,081,797,570.88
  5. Step 5: Solve for x
    x = 44,081,797,570.88/306,292.68
  6. Step 6: Final answer
    x = 143,920.51

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1.5x scale

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.