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Finding the Fourth Proportional to 358,846.46, 495,230.43 and 197,701.47

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Solution

The fourth proportional to 358,846.46, 495,230.43 and 197,701.47 is: 272,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,846.46 : 495,230.43 = 197,701.47 : x
  2. Step 2: Convert to fraction form
    358,846.46/495,230.43 = 197,701.47/x
  3. Step 3: Cross multiply
    358,846.46x = 495,230.43 × 197,701.47
  4. Step 4: Simplify right side
    358,846.46x = 97,907,783,999.73
  5. Step 5: Solve for x
    x = 97,907,783,999.73/358,846.46
  6. Step 6: Final answer
    x = 272,840.32

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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.