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Finding the Fourth Proportional to 433,950.10, 650,465.87 and 197,458.85

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Solution

The fourth proportional to 433,950.10, 650,465.87 and 197,458.85 is: 295,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,950.10 : 650,465.87 = 197,458.85 : x
  2. Step 2: Convert to fraction form
    433,950.10/650,465.87 = 197,458.85/x
  3. Step 3: Cross multiply
    433,950.10x = 650,465.87 × 197,458.85
  4. Step 4: Simplify right side
    433,950.10x = 128,440,242,654.45
  5. Step 5: Solve for x
    x = 128,440,242,654.45/433,950.10
  6. Step 6: Final answer
    x = 295,979.29

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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.