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Finding the Fourth Proportional to 434,165.63, 650,126.79 and 299,644.79

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Solution

The fourth proportional to 434,165.63, 650,126.79 and 299,644.79 is: 448,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,165.63 : 650,126.79 = 299,644.79 : x
  2. Step 2: Convert to fraction form
    434,165.63/650,126.79 = 299,644.79/x
  3. Step 3: Cross multiply
    434,165.63x = 650,126.79 × 299,644.79
  4. Step 4: Simplify right side
    434,165.63x = 194,807,102,212.29
  5. Step 5: Solve for x
    x = 194,807,102,212.29/434,165.63
  6. Step 6: Final answer
    x = 448,693.06

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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.