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Finding the Fourth Proportional to 339,570.02, 468,479.49 and 210,449.54

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Solution

The fourth proportional to 339,570.02, 468,479.49 and 210,449.54 is: 290,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,570.02 : 468,479.49 = 210,449.54 : x
  2. Step 2: Convert to fraction form
    339,570.02/468,479.49 = 210,449.54/x
  3. Step 3: Cross multiply
    339,570.02x = 468,479.49 × 210,449.54
  4. Step 4: Simplify right side
    339,570.02x = 98,591,293,169.93
  5. Step 5: Solve for x
    x = 98,591,293,169.93/339,570.02
  6. Step 6: Final answer
    x = 290,341.57

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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.