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Finding the Fourth Proportional to 460,673.03, 635,720.15 and 256,719.46

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Solution

The fourth proportional to 460,673.03, 635,720.15 and 256,719.46 is: 354,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,673.03 : 635,720.15 = 256,719.46 : x
  2. Step 2: Convert to fraction form
    460,673.03/635,720.15 = 256,719.46/x
  3. Step 3: Cross multiply
    460,673.03x = 635,720.15 × 256,719.46
  4. Step 4: Simplify right side
    460,673.03x = 163,201,733,924.82
  5. Step 5: Solve for x
    x = 163,201,733,924.82/460,673.03
  6. Step 6: Final answer
    x = 354,268.05

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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.