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Finding the Fourth Proportional to 465,782.40, 698,673.60 and 133,358.40

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Solution

The fourth proportional to 465,782.40, 698,673.60 and 133,358.40 is: 200,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,782.40 : 698,673.60 = 133,358.40 : x
  2. Step 2: Convert to fraction form
    465,782.40/698,673.60 = 133,358.40/x
  3. Step 3: Cross multiply
    465,782.40x = 698,673.60 × 133,358.40
  4. Step 4: Simplify right side
    465,782.40x = 93,173,993,418.24
  5. Step 5: Solve for x
    x = 93,173,993,418.24/465,782.40
  6. Step 6: Final answer
    x = 200,037.60

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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.