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Finding the Fourth Proportional to 265,410.20, 397,856.10 and 237,416.60

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Solution

The fourth proportional to 265,410.20, 397,856.10 and 237,416.60 is: 355,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,410.20 : 397,856.10 = 237,416.60 : x
  2. Step 2: Convert to fraction form
    265,410.20/397,856.10 = 237,416.60/x
  3. Step 3: Cross multiply
    265,410.20x = 397,856.10 × 237,416.60
  4. Step 4: Simplify right side
    265,410.20x = 94,457,642,551.26
  5. Step 5: Solve for x
    x = 94,457,642,551.26/265,410.20
  6. Step 6: Final answer
    x = 355,893.04

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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.