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Finding the Fourth Proportional to 449,534.40, 673,426.80 and 249,496.80

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Solution

The fourth proportional to 449,534.40, 673,426.80 and 249,496.80 is: 373,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,534.40 : 673,426.80 = 249,496.80 : x
  2. Step 2: Convert to fraction form
    449,534.40/673,426.80 = 249,496.80/x
  3. Step 3: Cross multiply
    449,534.40x = 673,426.80 × 249,496.80
  4. Step 4: Simplify right side
    449,534.40x = 168,017,831,634.24
  5. Step 5: Solve for x
    x = 168,017,831,634.24/449,534.40
  6. Step 6: Final answer
    x = 373,759.68

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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.