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Finding the Fourth Proportional to 433,829.80, 650,744.70 and 256,245.40

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Solution

The fourth proportional to 433,829.80, 650,744.70 and 256,245.40 is: 384,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,829.80 : 650,744.70 = 256,245.40 : x
  2. Step 2: Convert to fraction form
    433,829.80/650,744.70 = 256,245.40/x
  3. Step 3: Cross multiply
    433,829.80x = 650,744.70 × 256,245.40
  4. Step 4: Simplify right side
    433,829.80x = 166,750,335,949.38
  5. Step 5: Solve for x
    x = 166,750,335,949.38/433,829.80
  6. Step 6: Final answer
    x = 384,368.10

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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.