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Finding the Fourth Proportional to 1,731,764.79, 2,389,909.22 and 967,818.34

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Solution

The fourth proportional to 1,731,764.79, 2,389,909.22 and 967,818.34 is: 1,335,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,764.79 : 2,389,909.22 = 967,818.34 : x
  2. Step 2: Convert to fraction form
    1,731,764.79/2,389,909.22 = 967,818.34/x
  3. Step 3: Cross multiply
    1,731,764.79x = 2,389,909.22 × 967,818.34
  4. Step 4: Simplify right side
    1,731,764.79x = 2,312,997,974,051.09
  5. Step 5: Solve for x
    x = 2,312,997,974,051.09/1,731,764.79
  6. Step 6: Final answer
    x = 1,335,630.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.