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Finding the Fourth Proportional to 358,335.66, 494,492.73 and 197,190.62

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Solution

The fourth proportional to 358,335.66, 494,492.73 and 197,190.62 is: 272,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,335.66 : 494,492.73 = 197,190.62 : x
  2. Step 2: Convert to fraction form
    358,335.66/494,492.73 = 197,190.62/x
  3. Step 3: Cross multiply
    358,335.66x = 494,492.73 × 197,190.62
  4. Step 4: Simplify right side
    358,335.66x = 97,509,325,541.73
  5. Step 5: Solve for x
    x = 97,509,325,541.73/358,335.66
  6. Step 6: Final answer
    x = 272,117.28

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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.