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Finding the Fourth Proportional to 292,589.62, 403,739.64 and 163,528.36

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Solution

The fourth proportional to 292,589.62, 403,739.64 and 163,528.36 is: 225,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,589.62 : 403,739.64 = 163,528.36 : x
  2. Step 2: Convert to fraction form
    292,589.62/403,739.64 = 163,528.36/x
  3. Step 3: Cross multiply
    292,589.62x = 403,739.64 × 163,528.36
  4. Step 4: Simplify right side
    292,589.62x = 66,022,880,186.84
  5. Step 5: Solve for x
    x = 66,022,880,186.84/292,589.62
  6. Step 6: Final answer
    x = 225,650.11

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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.