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Finding the Fourth Proportional to 426,863.52, 589,075.74 and 235,880.10

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Solution

The fourth proportional to 426,863.52, 589,075.74 and 235,880.10 is: 325,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,863.52 : 589,075.74 = 235,880.10 : x
  2. Step 2: Convert to fraction form
    426,863.52/589,075.74 = 235,880.10/x
  3. Step 3: Cross multiply
    426,863.52x = 589,075.74 × 235,880.10
  4. Step 4: Simplify right side
    426,863.52x = 138,951,244,458.77
  5. Step 5: Solve for x
    x = 138,951,244,458.77/426,863.52
  6. Step 6: Final answer
    x = 325,516.79

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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.