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Finding the Fourth Proportional to 334,408.20, 461,482.72 and 181,446.40

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Solution

The fourth proportional to 334,408.20, 461,482.72 and 181,446.40 is: 250,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,408.20 : 461,482.72 = 181,446.40 : x
  2. Step 2: Convert to fraction form
    334,408.20/461,482.72 = 181,446.40/x
  3. Step 3: Cross multiply
    334,408.20x = 461,482.72 × 181,446.40
  4. Step 4: Simplify right side
    334,408.20x = 83,734,378,206.21
  5. Step 5: Solve for x
    x = 83,734,378,206.21/334,408.20
  6. Step 6: Final answer
    x = 250,395.71

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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.