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Finding the Fourth Proportional to 286,694.64, 429,502.50 and 168,013.44

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Solution

The fourth proportional to 286,694.64, 429,502.50 and 168,013.44 is: 251,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,694.64 : 429,502.50 = 168,013.44 : x
  2. Step 2: Convert to fraction form
    286,694.64/429,502.50 = 168,013.44/x
  3. Step 3: Cross multiply
    286,694.64x = 429,502.50 × 168,013.44
  4. Step 4: Simplify right side
    286,694.64x = 72,162,192,513.60
  5. Step 5: Solve for x
    x = 72,162,192,513.60/286,694.64
  6. Step 6: Final answer
    x = 251,704.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.