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Finding the Fourth Proportional to 1,699,793.50, 2,347,821.47 and 1,233,903.81

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Solution

The fourth proportional to 1,699,793.50, 2,347,821.47 and 1,233,903.81 is: 1,704,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,793.50 : 2,347,821.47 = 1,233,903.81 : x
  2. Step 2: Convert to fraction form
    1,699,793.50/2,347,821.47 = 1,233,903.81/x
  3. Step 3: Cross multiply
    1,699,793.50x = 2,347,821.47 × 1,233,903.81
  4. Step 4: Simplify right side
    1,699,793.50x = 2,896,985,857,032.80
  5. Step 5: Solve for x
    x = 2,896,985,857,032.80/1,699,793.50
  6. Step 6: Final answer
    x = 1,704,316.35

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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.