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Finding the Fourth Proportional to 426,349.91, 588,364.76 and 235,364.87

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Solution

The fourth proportional to 426,349.91, 588,364.76 and 235,364.87 is: 324,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,349.91 : 588,364.76 = 235,364.87 : x
  2. Step 2: Convert to fraction form
    426,349.91/588,364.76 = 235,364.87/x
  3. Step 3: Cross multiply
    426,349.91x = 588,364.76 × 235,364.87
  4. Step 4: Simplify right side
    426,349.91x = 138,480,395,249.98
  5. Step 5: Solve for x
    x = 138,480,395,249.98/426,349.91
  6. Step 6: Final answer
    x = 324,804.56

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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.