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Finding the Fourth Proportional to 574,683.51, 861,250.26 and 290,574.51

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Solution

The fourth proportional to 574,683.51, 861,250.26 and 290,574.51 is: 435,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,683.51 : 861,250.26 = 290,574.51 : x
  2. Step 2: Convert to fraction form
    574,683.51/861,250.26 = 290,574.51/x
  3. Step 3: Cross multiply
    574,683.51x = 861,250.26 × 290,574.51
  4. Step 4: Simplify right side
    574,683.51x = 250,257,372,286.87
  5. Step 5: Solve for x
    x = 250,257,372,286.87/574,683.51
  6. Step 6: Final answer
    x = 435,469.90

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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.