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Finding the Fourth Proportional to 426,423.70, 588,473.88 and 235,449.16

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Solution

The fourth proportional to 426,423.70, 588,473.88 and 235,449.16 is: 324,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,423.70 : 588,473.88 = 235,449.16 : x
  2. Step 2: Convert to fraction form
    426,423.70/588,473.88 = 235,449.16/x
  3. Step 3: Cross multiply
    426,423.70x = 588,473.88 × 235,449.16
  4. Step 4: Simplify right side
    426,423.70x = 138,555,680,727.94
  5. Step 5: Solve for x
    x = 138,555,680,727.94/426,423.70
  6. Step 6: Final answer
    x = 324,924.91

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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.