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Finding the Fourth Proportional to 460,800.36, 635,907.38 and 256,864.23

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Solution

The fourth proportional to 460,800.36, 635,907.38 and 256,864.23 is: 354,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,800.36 : 635,907.38 = 256,864.23 : x
  2. Step 2: Convert to fraction form
    460,800.36/635,907.38 = 256,864.23/x
  3. Step 3: Cross multiply
    460,800.36x = 635,907.38 × 256,864.23
  4. Step 4: Simplify right side
    460,800.36x = 163,341,858,230.70
  5. Step 5: Solve for x
    x = 163,341,858,230.70/460,800.36
  6. Step 6: Final answer
    x = 354,474.24

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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.