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Finding the Fourth Proportional to 410,080.95, 615,121.43 and 410,080.95

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Solution

The fourth proportional to 410,080.95, 615,121.43 and 410,080.95 is: 615,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,080.95 : 615,121.43 = 410,080.95 : x
  2. Step 2: Convert to fraction form
    410,080.95/615,121.43 = 410,080.95/x
  3. Step 3: Cross multiply
    410,080.95x = 615,121.43 × 410,080.95
  4. Step 4: Simplify right side
    410,080.95x = 252,249,578,329.35
  5. Step 5: Solve for x
    x = 252,249,578,329.35/410,080.95
  6. Step 6: Final answer
    x = 615,121.43

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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.