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Finding the Fourth Proportional to 426,817.32, 589,019.82 and 235,843.08

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Solution

The fourth proportional to 426,817.32, 589,019.82 and 235,843.08 is: 325,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,817.32 : 589,019.82 = 235,843.08 : x
  2. Step 2: Convert to fraction form
    426,817.32/589,019.82 = 235,843.08/x
  3. Step 3: Cross multiply
    426,817.32x = 589,019.82 × 235,843.08
  4. Step 4: Simplify right side
    426,817.32x = 138,916,248,529.85
  5. Step 5: Solve for x
    x = 138,916,248,529.85/426,817.32
  6. Step 6: Final answer
    x = 325,470.04

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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.