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Finding the Fourth Proportional to 491,916.30, 738,004.05 and 176,340.30

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Solution

The fourth proportional to 491,916.30, 738,004.05 and 176,340.30 is: 264,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,916.30 : 738,004.05 = 176,340.30 : x
  2. Step 2: Convert to fraction form
    491,916.30/738,004.05 = 176,340.30/x
  3. Step 3: Cross multiply
    491,916.30x = 738,004.05 × 176,340.30
  4. Step 4: Simplify right side
    491,916.30x = 130,139,855,578.22
  5. Step 5: Solve for x
    x = 130,139,855,578.22/491,916.30
  6. Step 6: Final answer
    x = 264,556.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.