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Finding the Fourth Proportional to 232,490.40, 348,735.60 and 82,899.60

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Solution

The fourth proportional to 232,490.40, 348,735.60 and 82,899.60 is: 124,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,490.40 : 348,735.60 = 82,899.60 : x
  2. Step 2: Convert to fraction form
    232,490.40/348,735.60 = 82,899.60/x
  3. Step 3: Cross multiply
    232,490.40x = 348,735.60 × 82,899.60
  4. Step 4: Simplify right side
    232,490.40x = 28,910,041,745.76
  5. Step 5: Solve for x
    x = 28,910,041,745.76/232,490.40
  6. Step 6: Final answer
    x = 124,349.40

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1.5x scale

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.