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Finding the Fourth Proportional to 460,991.64, 636,175.26 and 257,036.52

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Solution

The fourth proportional to 460,991.64, 636,175.26 and 257,036.52 is: 354,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,991.64 : 636,175.26 = 257,036.52 : x
  2. Step 2: Convert to fraction form
    460,991.64/636,175.26 = 257,036.52/x
  3. Step 3: Cross multiply
    460,991.64x = 636,175.26 × 257,036.52
  4. Step 4: Simplify right side
    460,991.64x = 163,520,274,940.50
  5. Step 5: Solve for x
    x = 163,520,274,940.50/460,991.64
  6. Step 6: Final answer
    x = 354,714.19

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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.