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Finding the Fourth Proportional to 426,874.77, 589,087.39 and 235,888.16

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Solution

The fourth proportional to 426,874.77, 589,087.39 and 235,888.16 is: 325,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,874.77 : 589,087.39 = 235,888.16 : x
  2. Step 2: Convert to fraction form
    426,874.77/589,087.39 = 235,888.16/x
  3. Step 3: Cross multiply
    426,874.77x = 589,087.39 × 235,888.16
  4. Step 4: Simplify right side
    426,874.77x = 138,958,740,506.30
  5. Step 5: Solve for x
    x = 138,958,740,506.30/426,874.77
  6. Step 6: Final answer
    x = 325,525.78

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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.