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Finding the Fourth Proportional to 265,777.54, 398,384.28 and 130,651.12

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Solution

The fourth proportional to 265,777.54, 398,384.28 and 130,651.12 is: 195,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,777.54 : 398,384.28 = 130,651.12 : x
  2. Step 2: Convert to fraction form
    265,777.54/398,384.28 = 130,651.12/x
  3. Step 3: Cross multiply
    265,777.54x = 398,384.28 × 130,651.12
  4. Step 4: Simplify right side
    265,777.54x = 52,049,352,372.39
  5. Step 5: Solve for x
    x = 52,049,352,372.39/265,777.54
  6. Step 6: Final answer
    x = 195,838.04

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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.