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Finding the Fourth Proportional to 426,863, 589,062.72 and 235,872.26

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Solution

The fourth proportional to 426,863, 589,062.72 and 235,872.26 is: 325,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,863 : 589,062.72 = 235,872.26 : x
  2. Step 2: Convert to fraction form
    426,863/589,062.72 = 235,872.26/x
  3. Step 3: Cross multiply
    426,863x = 589,062.72 × 235,872.26
  4. Step 4: Simplify right side
    426,863x = 138,943,555,048.15
  5. Step 5: Solve for x
    x = 138,943,555,048.15/426,863
  6. Step 6: Final answer
    x = 325,499.18

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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.