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Finding the Fourth Proportional to 304,830.20, 456,589.20 and 252,342.20

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Solution

The fourth proportional to 304,830.20, 456,589.20 and 252,342.20 is: 377,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,830.20 : 456,589.20 = 252,342.20 : x
  2. Step 2: Convert to fraction form
    304,830.20/456,589.20 = 252,342.20/x
  3. Step 3: Cross multiply
    304,830.20x = 456,589.20 × 252,342.20
  4. Step 4: Simplify right side
    304,830.20x = 115,216,723,224.24
  5. Step 5: Solve for x
    x = 115,216,723,224.24/304,830.20
  6. Step 6: Final answer
    x = 377,970.17

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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.