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Finding the Fourth Proportional to 460,231.20, 635,117.76 and 259,027.20

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Solution

The fourth proportional to 460,231.20, 635,117.76 and 259,027.20 is: 357,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,231.20 : 635,117.76 = 259,027.20 : x
  2. Step 2: Convert to fraction form
    460,231.20/635,117.76 = 259,027.20/x
  3. Step 3: Cross multiply
    460,231.20x = 635,117.76 × 259,027.20
  4. Step 4: Simplify right side
    460,231.20x = 164,512,775,043.07
  5. Step 5: Solve for x
    x = 164,512,775,043.07/460,231.20
  6. Step 6: Final answer
    x = 357,456.81

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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.