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Finding the Fourth Proportional to 433,548.70, 649,885.65 and 197,061.10

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Solution

The fourth proportional to 433,548.70, 649,885.65 and 197,061.10 is: 295,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,548.70 : 649,885.65 = 197,061.10 : x
  2. Step 2: Convert to fraction form
    433,548.70/649,885.65 = 197,061.10/x
  3. Step 3: Cross multiply
    433,548.70x = 649,885.65 × 197,061.10
  4. Step 4: Simplify right side
    433,548.70x = 128,067,181,063.22
  5. Step 5: Solve for x
    x = 128,067,181,063.22/433,548.70
  6. Step 6: Final answer
    x = 295,392.84

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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.