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Finding the Fourth Proportional to 475,059.28, 655,574.56 and 260,198.68

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Solution

The fourth proportional to 475,059.28, 655,574.56 and 260,198.68 is: 359,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,059.28 : 655,574.56 = 260,198.68 : x
  2. Step 2: Convert to fraction form
    475,059.28/655,574.56 = 260,198.68/x
  3. Step 3: Cross multiply
    475,059.28x = 655,574.56 × 260,198.68
  4. Step 4: Simplify right side
    475,059.28x = 170,579,635,153.58
  5. Step 5: Solve for x
    x = 170,579,635,153.58/475,059.28
  6. Step 6: Final answer
    x = 359,070.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.