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Finding the Fourth Proportional to 460,824, 635,937.12 and 248,856

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Solution

The fourth proportional to 460,824, 635,937.12 and 248,856 is: 343,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,824 : 635,937.12 = 248,856 : x
  2. Step 2: Convert to fraction form
    460,824/635,937.12 = 248,856/x
  3. Step 3: Cross multiply
    460,824x = 635,937.12 × 248,856
  4. Step 4: Simplify right side
    460,824x = 158,256,767,934.72
  5. Step 5: Solve for x
    x = 158,256,767,934.72/460,824
  6. Step 6: Final answer
    x = 343,421.28

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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.