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Finding the Fourth Proportional to 404,356.04, 557,830.92 and 234,491.72

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Solution

The fourth proportional to 404,356.04, 557,830.92 and 234,491.72 is: 323,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,356.04 : 557,830.92 = 234,491.72 : x
  2. Step 2: Convert to fraction form
    404,356.04/557,830.92 = 234,491.72/x
  3. Step 3: Cross multiply
    404,356.04x = 557,830.92 × 234,491.72
  4. Step 4: Simplify right side
    404,356.04x = 130,806,731,899.98
  5. Step 5: Solve for x
    x = 130,806,731,899.98/404,356.04
  6. Step 6: Final answer
    x = 323,493.95

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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.