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Finding the Fourth Proportional to 333,528.85, 459,958.84 and 308,759.05

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Solution

The fourth proportional to 333,528.85, 459,958.84 and 308,759.05 is: 425,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,528.85 : 459,958.84 = 308,759.05 : x
  2. Step 2: Convert to fraction form
    333,528.85/459,958.84 = 308,759.05/x
  3. Step 3: Cross multiply
    333,528.85x = 459,958.84 × 308,759.05
  4. Step 4: Simplify right side
    333,528.85x = 142,016,454,477.50
  5. Step 5: Solve for x
    x = 142,016,454,477.50/333,528.85
  6. Step 6: Final answer
    x = 425,799.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.