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Finding the Fourth Proportional to 460,775.96, 635,844.28 and 256,820.12

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Solution

The fourth proportional to 460,775.96, 635,844.28 and 256,820.12 is: 354,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,775.96 : 635,844.28 = 256,820.12 : x
  2. Step 2: Convert to fraction form
    460,775.96/635,844.28 = 256,820.12/x
  3. Step 3: Cross multiply
    460,775.96x = 635,844.28 × 256,820.12
  4. Step 4: Simplify right side
    460,775.96x = 163,297,604,290.91
  5. Step 5: Solve for x
    x = 163,297,604,290.91/460,775.96
  6. Step 6: Final answer
    x = 354,396.97

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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.