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Finding the Fourth Proportional to 358,607.30, 494,881.74 and 197,477.33

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Solution

The fourth proportional to 358,607.30, 494,881.74 and 197,477.33 is: 272,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,607.30 : 494,881.74 = 197,477.33 : x
  2. Step 2: Convert to fraction form
    358,607.30/494,881.74 = 197,477.33/x
  3. Step 3: Cross multiply
    358,607.30x = 494,881.74 × 197,477.33
  4. Step 4: Simplify right side
    358,607.30x = 97,727,922,206.55
  5. Step 5: Solve for x
    x = 97,727,922,206.55/358,607.30
  6. Step 6: Final answer
    x = 272,520.73

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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.