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Finding the Fourth Proportional to 378,415.48, 567,625.46 and 112,178.24

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Solution

The fourth proportional to 378,415.48, 567,625.46 and 112,178.24 is: 168,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,415.48 : 567,625.46 = 112,178.24 : x
  2. Step 2: Convert to fraction form
    378,415.48/567,625.46 = 112,178.24/x
  3. Step 3: Cross multiply
    378,415.48x = 567,625.46 × 112,178.24
  4. Step 4: Simplify right side
    378,415.48x = 63,675,225,081.99
  5. Step 5: Solve for x
    x = 63,675,225,081.99/378,415.48
  6. Step 6: Final answer
    x = 168,268.02

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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.