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Finding the Fourth Proportional to 426,362.80, 588,365.24 and 235,372.09

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Solution

The fourth proportional to 426,362.80, 588,365.24 and 235,372.09 is: 324,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,362.80 : 588,365.24 = 235,372.09 : x
  2. Step 2: Convert to fraction form
    426,362.80/588,365.24 = 235,372.09/x
  3. Step 3: Cross multiply
    426,362.80x = 588,365.24 × 235,372.09
  4. Step 4: Simplify right side
    426,362.80x = 138,484,756,222.15
  5. Step 5: Solve for x
    x = 138,484,756,222.15/426,362.80
  6. Step 6: Final answer
    x = 324,804.97

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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.