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Finding the Fourth Proportional to 3,256,502.07, 4,494,510.80 and 1,806,664.59

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Solution

The fourth proportional to 3,256,502.07, 4,494,510.80 and 1,806,664.59 is: 2,493,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256,502.07 : 4,494,510.80 = 1,806,664.59 : x
  2. Step 2: Convert to fraction form
    3,256,502.07/4,494,510.80 = 1,806,664.59/x
  3. Step 3: Cross multiply
    3,256,502.07x = 4,494,510.80 × 1,806,664.59
  4. Step 4: Simplify right side
    3,256,502.07x = 8,120,073,502,699.25
  5. Step 5: Solve for x
    x = 8,120,073,502,699.25/3,256,502.07
  6. Step 6: Final answer
    x = 2,493,495.58

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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.