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Finding the Fourth Proportional to 460,891.64, 687,416.50 and 452,916.44

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Solution

The fourth proportional to 460,891.64, 687,416.50 and 452,916.44 is: 675,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,891.64 : 687,416.50 = 452,916.44 : x
  2. Step 2: Convert to fraction form
    460,891.64/687,416.50 = 452,916.44/x
  3. Step 3: Cross multiply
    460,891.64x = 687,416.50 × 452,916.44
  4. Step 4: Simplify right side
    460,891.64x = 311,342,233,977.26
  5. Step 5: Solve for x
    x = 311,342,233,977.26/460,891.64
  6. Step 6: Final answer
    x = 675,521.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.