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Finding the Fourth Proportional to 358,625.88, 494,903.66 and 197,480.53

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Solution

The fourth proportional to 358,625.88, 494,903.66 and 197,480.53 is: 272,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,625.88 : 494,903.66 = 197,480.53 : x
  2. Step 2: Convert to fraction form
    358,625.88/494,903.66 = 197,480.53/x
  3. Step 3: Cross multiply
    358,625.88x = 494,903.66 × 197,480.53
  4. Step 4: Simplify right side
    358,625.88x = 97,733,836,332.18
  5. Step 5: Solve for x
    x = 97,733,836,332.18/358,625.88
  6. Step 6: Final answer
    x = 272,523.10

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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.