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Finding the Fourth Proportional to 460,673.42, 635,729.94 and 256,719.88

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Solution

The fourth proportional to 460,673.42, 635,729.94 and 256,719.88 is: 354,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,673.42 : 635,729.94 = 256,719.88 : x
  2. Step 2: Convert to fraction form
    460,673.42/635,729.94 = 256,719.88/x
  3. Step 3: Cross multiply
    460,673.42x = 635,729.94 × 256,719.88
  4. Step 4: Simplify right side
    460,673.42x = 163,204,509,446.96
  5. Step 5: Solve for x
    x = 163,204,509,446.96/460,673.42
  6. Step 6: Final answer
    x = 354,273.77

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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.