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Finding the Fourth Proportional to 433,818.60, 650,825.10 and 167,555.40

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Solution

The fourth proportional to 433,818.60, 650,825.10 and 167,555.40 is: 251,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,818.60 : 650,825.10 = 167,555.40 : x
  2. Step 2: Convert to fraction form
    433,818.60/650,825.10 = 167,555.40/x
  3. Step 3: Cross multiply
    433,818.60x = 650,825.10 × 167,555.40
  4. Step 4: Simplify right side
    433,818.60x = 109,049,259,960.54
  5. Step 5: Solve for x
    x = 109,049,259,960.54/433,818.60
  6. Step 6: Final answer
    x = 251,370.64

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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.