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Finding the Fourth Proportional to 460,435.09, 635,416.45 and 266,843.56

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Solution

The fourth proportional to 460,435.09, 635,416.45 and 266,843.56 is: 368,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,435.09 : 635,416.45 = 266,843.56 : x
  2. Step 2: Convert to fraction form
    460,435.09/635,416.45 = 266,843.56/x
  3. Step 3: Cross multiply
    460,435.09x = 635,416.45 × 266,843.56
  4. Step 4: Simplify right side
    460,435.09x = 169,556,786,089.54
  5. Step 5: Solve for x
    x = 169,556,786,089.54/460,435.09
  6. Step 6: Final answer
    x = 368,253.40

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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.