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Finding the Fourth Proportional to 358,758.27, 538,168.32 and 92,516.58

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Solution

The fourth proportional to 358,758.27, 538,168.32 and 92,516.58 is: 138,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,758.27 : 538,168.32 = 92,516.58 : x
  2. Step 2: Convert to fraction form
    358,758.27/538,168.32 = 92,516.58/x
  3. Step 3: Cross multiply
    358,758.27x = 538,168.32 × 92,516.58
  4. Step 4: Simplify right side
    358,758.27x = 49,789,492,430.75
  5. Step 5: Solve for x
    x = 49,789,492,430.75/358,758.27
  6. Step 6: Final answer
    x = 138,782.84

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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.