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Finding the Fourth Proportional to 358,693.10, 495,018.86 and 197,548.11

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Solution

The fourth proportional to 358,693.10, 495,018.86 and 197,548.11 is: 272,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,693.10 : 495,018.86 = 197,548.11 : x
  2. Step 2: Convert to fraction form
    358,693.10/495,018.86 = 197,548.11/x
  3. Step 3: Cross multiply
    358,693.10x = 495,018.86 × 197,548.11
  4. Step 4: Simplify right side
    358,693.10x = 97,790,038,229.00
  5. Step 5: Solve for x
    x = 97,790,038,229.00/358,693.10
  6. Step 6: Final answer
    x = 272,628.71

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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.