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Finding the Fourth Proportional to 358,622.80, 494,644.78 and 235,966.72

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Solution

The fourth proportional to 358,622.80, 494,644.78 and 235,966.72 is: 325,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,622.80 : 494,644.78 = 235,966.72 : x
  2. Step 2: Convert to fraction form
    358,622.80/494,644.78 = 235,966.72/x
  3. Step 3: Cross multiply
    358,622.80x = 494,644.78 × 235,966.72
  4. Step 4: Simplify right side
    358,622.80x = 116,719,706,301.72
  5. Step 5: Solve for x
    x = 116,719,706,301.72/358,622.80
  6. Step 6: Final answer
    x = 325,466.50

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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.