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Finding the Fourth Proportional to 426,367.92, 588,384.80 and 235,381.28

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Solution

The fourth proportional to 426,367.92, 588,384.80 and 235,381.28 is: 324,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,367.92 : 588,384.80 = 235,381.28 : x
  2. Step 2: Convert to fraction form
    426,367.92/588,384.80 = 235,381.28/x
  3. Step 3: Cross multiply
    426,367.92x = 588,384.80 × 235,381.28
  4. Step 4: Simplify right side
    426,367.92x = 138,494,767,356.54
  5. Step 5: Solve for x
    x = 138,494,767,356.54/426,367.92
  6. Step 6: Final answer
    x = 324,824.55

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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.