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Finding the Fourth Proportional to 358,313.66, 494,676.78 and 237,617.88

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Solution

The fourth proportional to 358,313.66, 494,676.78 and 237,617.88 is: 328,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,313.66 : 494,676.78 = 237,617.88 : x
  2. Step 2: Convert to fraction form
    358,313.66/494,676.78 = 237,617.88/x
  3. Step 3: Cross multiply
    358,313.66x = 494,676.78 × 237,617.88
  4. Step 4: Simplify right side
    358,313.66x = 117,544,047,748.83
  5. Step 5: Solve for x
    x = 117,544,047,748.83/358,313.66
  6. Step 6: Final answer
    x = 328,047.92

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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.