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Finding the Fourth Proportional to 437,040.40, 655,099.80 and 249,648.40

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Solution

The fourth proportional to 437,040.40, 655,099.80 and 249,648.40 is: 374,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,040.40 : 655,099.80 = 249,648.40 : x
  2. Step 2: Convert to fraction form
    437,040.40/655,099.80 = 249,648.40/x
  3. Step 3: Cross multiply
    437,040.40x = 655,099.80 × 249,648.40
  4. Step 4: Simplify right side
    437,040.40x = 163,544,616,910.32
  5. Step 5: Solve for x
    x = 163,544,616,910.32/437,040.40
  6. Step 6: Final answer
    x = 374,209.38

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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.