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Finding the Fourth Proportional to 425,144.06, 586,698.81 and 234,157.46

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Solution

The fourth proportional to 425,144.06, 586,698.81 and 234,157.46 is: 323,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,144.06 : 586,698.81 = 234,157.46 : x
  2. Step 2: Convert to fraction form
    425,144.06/586,698.81 = 234,157.46/x
  3. Step 3: Cross multiply
    425,144.06x = 586,698.81 × 234,157.46
  4. Step 4: Simplify right side
    425,144.06x = 137,379,900,201.13
  5. Step 5: Solve for x
    x = 137,379,900,201.13/425,144.06
  6. Step 6: Final answer
    x = 323,137.29

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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.