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Finding the Fourth Proportional to 700,669.24, 966,868.50 and 394,729

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Solution

The fourth proportional to 700,669.24, 966,868.50 and 394,729 is: 544,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,669.24 : 966,868.50 = 394,729 : x
  2. Step 2: Convert to fraction form
    700,669.24/966,868.50 = 394,729/x
  3. Step 3: Cross multiply
    700,669.24x = 966,868.50 × 394,729
  4. Step 4: Simplify right side
    700,669.24x = 381,651,036,136.50
  5. Step 5: Solve for x
    x = 381,651,036,136.50/700,669.24
  6. Step 6: Final answer
    x = 544,695.01

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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.