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Finding the Fourth Proportional to 426,616.96, 588,718.92 and 235,626.16

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Solution

The fourth proportional to 426,616.96, 588,718.92 and 235,626.16 is: 325,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,616.96 : 588,718.92 = 235,626.16 : x
  2. Step 2: Convert to fraction form
    426,616.96/588,718.92 = 235,626.16/x
  3. Step 3: Cross multiply
    426,616.96x = 588,718.92 × 235,626.16
  4. Step 4: Simplify right side
    426,616.96x = 138,717,578,438.95
  5. Step 5: Solve for x
    x = 138,717,578,438.95/426,616.96
  6. Step 6: Final answer
    x = 325,157.21

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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.