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Finding the Fourth Proportional to 452,464.25, 678,783.85 and 171,959.63

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Solution

The fourth proportional to 452,464.25, 678,783.85 and 171,959.63 is: 257,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,464.25 : 678,783.85 = 171,959.63 : x
  2. Step 2: Convert to fraction form
    452,464.25/678,783.85 = 171,959.63/x
  3. Step 3: Cross multiply
    452,464.25x = 678,783.85 × 171,959.63
  4. Step 4: Simplify right side
    452,464.25x = 116,723,415,872.16
  5. Step 5: Solve for x
    x = 116,723,415,872.16/452,464.25
  6. Step 6: Final answer
    x = 257,972.68

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1.5x scale

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.