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Finding the Fourth Proportional to 426,325.37, 588,330.42 and 235,338.31

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Solution

The fourth proportional to 426,325.37, 588,330.42 and 235,338.31 is: 324,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,325.37 : 588,330.42 = 235,338.31 : x
  2. Step 2: Convert to fraction form
    426,325.37/588,330.42 = 235,338.31/x
  3. Step 3: Cross multiply
    426,325.37x = 588,330.42 × 235,338.31
  4. Step 4: Simplify right side
    426,325.37x = 138,456,683,822.74
  5. Step 5: Solve for x
    x = 138,456,683,822.74/426,325.37
  6. Step 6: Final answer
    x = 324,767.64

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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.