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Finding the Fourth Proportional to 460,762.58, 635,855.34 and 256,826.46

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Solution

The fourth proportional to 460,762.58, 635,855.34 and 256,826.46 is: 354,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,762.58 : 635,855.34 = 256,826.46 : x
  2. Step 2: Convert to fraction form
    460,762.58/635,855.34 = 256,826.46/x
  3. Step 3: Cross multiply
    460,762.58x = 635,855.34 × 256,826.46
  4. Step 4: Simplify right side
    460,762.58x = 163,304,476,044.30
  5. Step 5: Solve for x
    x = 163,304,476,044.30/460,762.58
  6. Step 6: Final answer
    x = 354,422.18

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1.5x scale

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.