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Finding the Fourth Proportional to 617,908.30, 925,048.05 and 460,833.10

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Solution

The fourth proportional to 617,908.30, 925,048.05 and 460,833.10 is: 689,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,908.30 : 925,048.05 = 460,833.10 : x
  2. Step 2: Convert to fraction form
    617,908.30/925,048.05 = 460,833.10/x
  3. Step 3: Cross multiply
    617,908.30x = 925,048.05 × 460,833.10
  4. Step 4: Simplify right side
    617,908.30x = 426,292,760,530.46
  5. Step 5: Solve for x
    x = 426,292,760,530.46/617,908.30
  6. Step 6: Final answer
    x = 689,896.48

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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.