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Finding the Fourth Proportional to 265,200.48, 397,807.20 and 146,577.60

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Solution

The fourth proportional to 265,200.48, 397,807.20 and 146,577.60 is: 219,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,200.48 : 397,807.20 = 146,577.60 : x
  2. Step 2: Convert to fraction form
    265,200.48/397,807.20 = 146,577.60/x
  3. Step 3: Cross multiply
    265,200.48x = 397,807.20 × 146,577.60
  4. Step 4: Simplify right side
    265,200.48x = 58,309,624,638.72
  5. Step 5: Solve for x
    x = 58,309,624,638.72/265,200.48
  6. Step 6: Final answer
    x = 219,869.98

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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.