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Finding the Fourth Proportional to 407,893.82, 608,846.63 and 377,834.18

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Solution

The fourth proportional to 407,893.82, 608,846.63 and 377,834.18 is: 563,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,893.82 : 608,846.63 = 377,834.18 : x
  2. Step 2: Convert to fraction form
    407,893.82/608,846.63 = 377,834.18/x
  3. Step 3: Cross multiply
    407,893.82x = 608,846.63 × 377,834.18
  4. Step 4: Simplify right side
    407,893.82x = 230,043,067,191.81
  5. Step 5: Solve for x
    x = 230,043,067,191.81/407,893.82
  6. Step 6: Final answer
    x = 563,977.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.