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Finding the Fourth Proportional to 306,594.20, 459,891.30 and 188,496.20

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Solution

The fourth proportional to 306,594.20, 459,891.30 and 188,496.20 is: 282,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,594.20 : 459,891.30 = 188,496.20 : x
  2. Step 2: Convert to fraction form
    306,594.20/459,891.30 = 188,496.20/x
  3. Step 3: Cross multiply
    306,594.20x = 459,891.30 × 188,496.20
  4. Step 4: Simplify right side
    306,594.20x = 86,687,762,463.06
  5. Step 5: Solve for x
    x = 86,687,762,463.06/306,594.20
  6. Step 6: Final answer
    x = 282,744.30

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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.