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Finding the Fourth Proportional to 554,916.64, 765,502.71 and 337,067.36

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Solution

The fourth proportional to 554,916.64, 765,502.71 and 337,067.36 is: 464,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,916.64 : 765,502.71 = 337,067.36 : x
  2. Step 2: Convert to fraction form
    554,916.64/765,502.71 = 337,067.36/x
  3. Step 3: Cross multiply
    554,916.64x = 765,502.71 × 337,067.36
  4. Step 4: Simplify right side
    554,916.64x = 258,025,977,532.55
  5. Step 5: Solve for x
    x = 258,025,977,532.55/554,916.64
  6. Step 6: Final answer
    x = 464,981.51

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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.