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Finding the Fourth Proportional to 460,385.04, 635,290.92 and 256,420.56

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Solution

The fourth proportional to 460,385.04, 635,290.92 and 256,420.56 is: 353,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,385.04 : 635,290.92 = 256,420.56 : x
  2. Step 2: Convert to fraction form
    460,385.04/635,290.92 = 256,420.56/x
  3. Step 3: Cross multiply
    460,385.04x = 635,290.92 × 256,420.56
  4. Step 4: Simplify right side
    460,385.04x = 162,901,653,469.32
  5. Step 5: Solve for x
    x = 162,901,653,469.32/460,385.04
  6. Step 6: Final answer
    x = 353,837.85

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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.