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Finding the Fourth Proportional to 460,673.16, 635,720.32 and 256,719.59

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Solution

The fourth proportional to 460,673.16, 635,720.32 and 256,719.59 is: 354,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,673.16 : 635,720.32 = 256,719.59 : x
  2. Step 2: Convert to fraction form
    460,673.16/635,720.32 = 256,719.59/x
  3. Step 3: Cross multiply
    460,673.16x = 635,720.32 × 256,719.59
  4. Step 4: Simplify right side
    460,673.16x = 163,201,857,673.97
  5. Step 5: Solve for x
    x = 163,201,857,673.97/460,673.16
  6. Step 6: Final answer
    x = 354,268.22

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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.