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Finding the Fourth Proportional to 358,046.65, 494,094.51 and 196,901.69

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Solution

The fourth proportional to 358,046.65, 494,094.51 and 196,901.69 is: 271,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,046.65 : 494,094.51 = 196,901.69 : x
  2. Step 2: Convert to fraction form
    358,046.65/494,094.51 = 196,901.69/x
  3. Step 3: Cross multiply
    358,046.65x = 494,094.51 × 196,901.69
  4. Step 4: Simplify right side
    358,046.65x = 97,288,044,038.72
  5. Step 5: Solve for x
    x = 97,288,044,038.72/358,046.65
  6. Step 6: Final answer
    x = 271,718.91

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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.