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Finding the Fourth Proportional to 426,785.58, 588,987.72 and 235,794.87

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Solution

The fourth proportional to 426,785.58, 588,987.72 and 235,794.87 is: 325,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,785.58 : 588,987.72 = 235,794.87 : x
  2. Step 2: Convert to fraction form
    426,785.58/588,987.72 = 235,794.87/x
  3. Step 3: Cross multiply
    426,785.58x = 588,987.72 × 235,794.87
  4. Step 4: Simplify right side
    426,785.58x = 138,880,282,869.00
  5. Step 5: Solve for x
    x = 138,880,282,869.00/426,785.58
  6. Step 6: Final answer
    x = 325,409.97

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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.