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Finding the Fourth Proportional to 358,622.63, 494,899.22 and 197,477.29

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Solution

The fourth proportional to 358,622.63, 494,899.22 and 197,477.29 is: 272,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,622.63 : 494,899.22 = 197,477.29 : x
  2. Step 2: Convert to fraction form
    358,622.63/494,899.22 = 197,477.29/x
  3. Step 3: Cross multiply
    358,622.63x = 494,899.22 × 197,477.29
  4. Step 4: Simplify right side
    358,622.63x = 97,731,356,973.10
  5. Step 5: Solve for x
    x = 97,731,356,973.10/358,622.63
  6. Step 6: Final answer
    x = 272,518.66

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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.