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Finding the Fourth Proportional to 264,735.40, 365,337.70 and 143,876.70

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Solution

The fourth proportional to 264,735.40, 365,337.70 and 143,876.70 is: 198,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,735.40 : 365,337.70 = 143,876.70 : x
  2. Step 2: Convert to fraction form
    264,735.40/365,337.70 = 143,876.70/x
  3. Step 3: Cross multiply
    264,735.40x = 365,337.70 × 143,876.70
  4. Step 4: Simplify right side
    264,735.40x = 52,563,582,661.59
  5. Step 5: Solve for x
    x = 52,563,582,661.59/264,735.40
  6. Step 6: Final answer
    x = 198,551.39

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1.5x scale

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.