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Finding the Fourth Proportional to 426,704.39, 588,830.40 and 235,680.87

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Solution

The fourth proportional to 426,704.39, 588,830.40 and 235,680.87 is: 325,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,704.39 : 588,830.40 = 235,680.87 : x
  2. Step 2: Convert to fraction form
    426,704.39/588,830.40 = 235,680.87/x
  3. Step 3: Cross multiply
    426,704.39x = 588,830.40 × 235,680.87
  4. Step 4: Simplify right side
    426,704.39x = 138,776,060,954.45
  5. Step 5: Solve for x
    x = 138,776,060,954.45/426,704.39
  6. Step 6: Final answer
    x = 325,227.64

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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.