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Finding the Fourth Proportional to 372,633, 514,234.76 and 202,868.34

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Solution

The fourth proportional to 372,633, 514,234.76 and 202,868.34 is: 279,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,633 : 514,234.76 = 202,868.34 : x
  2. Step 2: Convert to fraction form
    372,633/514,234.76 = 202,868.34/x
  3. Step 3: Cross multiply
    372,633x = 514,234.76 × 202,868.34
  4. Step 4: Simplify right side
    372,633x = 104,321,952,131.50
  5. Step 5: Solve for x
    x = 104,321,952,131.50/372,633
  6. Step 6: Final answer
    x = 279,958.97

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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.