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Finding the Fourth Proportional to 417,968.64, 576,832.32 and 236,712.24

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Solution

The fourth proportional to 417,968.64, 576,832.32 and 236,712.24 is: 326,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,968.64 : 576,832.32 = 236,712.24 : x
  2. Step 2: Convert to fraction form
    417,968.64/576,832.32 = 236,712.24/x
  3. Step 3: Cross multiply
    417,968.64x = 576,832.32 × 236,712.24
  4. Step 4: Simplify right side
    417,968.64x = 136,543,270,571.60
  5. Step 5: Solve for x
    x = 136,543,270,571.60/417,968.64
  6. Step 6: Final answer
    x = 326,683.05

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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.