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Finding the Fourth Proportional to 456,878.99, 682,541.79 and 295,641.39

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Solution

The fourth proportional to 456,878.99, 682,541.79 and 295,641.39 is: 441,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,878.99 : 682,541.79 = 295,641.39 : x
  2. Step 2: Convert to fraction form
    456,878.99/682,541.79 = 295,641.39/x
  3. Step 3: Cross multiply
    456,878.99x = 682,541.79 × 295,641.39
  4. Step 4: Simplify right side
    456,878.99x = 201,787,603,528.69
  5. Step 5: Solve for x
    x = 201,787,603,528.69/456,878.99
  6. Step 6: Final answer
    x = 441,665.32

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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.