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Finding the Fourth Proportional to 1,733,136.72, 2,598,597.12 and 832,786.80

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Solution

The fourth proportional to 1,733,136.72, 2,598,597.12 and 832,786.80 is: 1,248,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,136.72 : 2,598,597.12 = 832,786.80 : x
  2. Step 2: Convert to fraction form
    1,733,136.72/2,598,597.12 = 832,786.80/x
  3. Step 3: Cross multiply
    1,733,136.72x = 2,598,597.12 × 832,786.80
  4. Step 4: Simplify right side
    1,733,136.72x = 2,164,077,380,054.02
  5. Step 5: Solve for x
    x = 2,164,077,380,054.02/1,733,136.72
  6. Step 6: Final answer
    x = 1,248,647.82

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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.