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Finding the Fourth Proportional to 372,634.93, 514,245.45 and 202,878.37

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Solution

The fourth proportional to 372,634.93, 514,245.45 and 202,878.37 is: 279,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,634.93 : 514,245.45 = 202,878.37 : x
  2. Step 2: Convert to fraction form
    372,634.93/514,245.45 = 202,878.37/x
  3. Step 3: Cross multiply
    372,634.93x = 514,245.45 × 202,878.37
  4. Step 4: Simplify right side
    372,634.93x = 104,329,278,675.92
  5. Step 5: Solve for x
    x = 104,329,278,675.92/372,634.93
  6. Step 6: Final answer
    x = 279,977.18

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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.