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Finding the Fourth Proportional to 433,808.70, 650,713.05 and 197,612.70

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Solution

The fourth proportional to 433,808.70, 650,713.05 and 197,612.70 is: 296,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,808.70 : 650,713.05 = 197,612.70 : x
  2. Step 2: Convert to fraction form
    433,808.70/650,713.05 = 197,612.70/x
  3. Step 3: Cross multiply
    433,808.70x = 650,713.05 × 197,612.70
  4. Step 4: Simplify right side
    433,808.70x = 128,589,162,735.74
  5. Step 5: Solve for x
    x = 128,589,162,735.74/433,808.70
  6. Step 6: Final answer
    x = 296,419.05

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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.