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Finding the Fourth Proportional to 460,768.35, 635,783.20 and 256,774.51

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Solution

The fourth proportional to 460,768.35, 635,783.20 and 256,774.51 is: 354,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,768.35 : 635,783.20 = 256,774.51 : x
  2. Step 2: Convert to fraction form
    460,768.35/635,783.20 = 256,774.51/x
  3. Step 3: Cross multiply
    460,768.35x = 635,783.20 × 256,774.51
  4. Step 4: Simplify right side
    460,768.35x = 163,252,919,646.23
  5. Step 5: Solve for x
    x = 163,252,919,646.23/460,768.35
  6. Step 6: Final answer
    x = 354,305.85

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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.