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Finding the Fourth Proportional to 265,253.60, 397,884.54 and 147,672.26

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Solution

The fourth proportional to 265,253.60, 397,884.54 and 147,672.26 is: 221,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,253.60 : 397,884.54 = 147,672.26 : x
  2. Step 2: Convert to fraction form
    265,253.60/397,884.54 = 147,672.26/x
  3. Step 3: Cross multiply
    265,253.60x = 397,884.54 × 147,672.26
  4. Step 4: Simplify right side
    265,253.60x = 58,756,509,240.86
  5. Step 5: Solve for x
    x = 58,756,509,240.86/265,253.60
  6. Step 6: Final answer
    x = 221,510.69

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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.