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Finding the Fourth Proportional to 425,273.46, 586,878.75 and 234,286.26

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Solution

The fourth proportional to 425,273.46, 586,878.75 and 234,286.26 is: 323,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,273.46 : 586,878.75 = 234,286.26 : x
  2. Step 2: Convert to fraction form
    425,273.46/586,878.75 = 234,286.26/x
  3. Step 3: Cross multiply
    425,273.46x = 586,878.75 × 234,286.26
  4. Step 4: Simplify right side
    425,273.46x = 137,497,627,410.98
  5. Step 5: Solve for x
    x = 137,497,627,410.98/425,273.46
  6. Step 6: Final answer
    x = 323,315.80

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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.