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Finding the Fourth Proportional to 358,956.58, 495,353.71 and 195,614.54

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Solution

The fourth proportional to 358,956.58, 495,353.71 and 195,614.54 is: 269,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,956.58 : 495,353.71 = 195,614.54 : x
  2. Step 2: Convert to fraction form
    358,956.58/495,353.71 = 195,614.54/x
  3. Step 3: Cross multiply
    358,956.58x = 495,353.71 × 195,614.54
  4. Step 4: Simplify right side
    358,956.58x = 96,898,390,530.63
  5. Step 5: Solve for x
    x = 96,898,390,530.63/358,956.58
  6. Step 6: Final answer
    x = 269,944.60

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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.