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Finding the Fourth Proportional to 465,959.61, 639,078.50 and 460,438.65

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Solution

The fourth proportional to 465,959.61, 639,078.50 and 460,438.65 is: 631,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,959.61 : 639,078.50 = 460,438.65 : x
  2. Step 2: Convert to fraction form
    465,959.61/639,078.50 = 460,438.65/x
  3. Step 3: Cross multiply
    465,959.61x = 639,078.50 × 460,438.65
  4. Step 4: Simplify right side
    465,959.61x = 294,256,442,935.12
  5. Step 5: Solve for x
    x = 294,256,442,935.12/465,959.61
  6. Step 6: Final answer
    x = 631,506.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.