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Finding the Fourth Proportional to 326,955.60, 490,433.40 and 169,232.40

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Solution

The fourth proportional to 326,955.60, 490,433.40 and 169,232.40 is: 253,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,955.60 : 490,433.40 = 169,232.40 : x
  2. Step 2: Convert to fraction form
    326,955.60/490,433.40 = 169,232.40/x
  3. Step 3: Cross multiply
    326,955.60x = 490,433.40 × 169,232.40
  4. Step 4: Simplify right side
    326,955.60x = 82,997,221,322.16
  5. Step 5: Solve for x
    x = 82,997,221,322.16/326,955.60
  6. Step 6: Final answer
    x = 253,848.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.