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Finding the Fourth Proportional to 372,767.24, 514,486.20 and 219,796.32

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Solution

The fourth proportional to 372,767.24, 514,486.20 and 219,796.32 is: 303,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,767.24 : 514,486.20 = 219,796.32 : x
  2. Step 2: Convert to fraction form
    372,767.24/514,486.20 = 219,796.32/x
  3. Step 3: Cross multiply
    372,767.24x = 514,486.20 × 219,796.32
  4. Step 4: Simplify right side
    372,767.24x = 113,082,173,450.78
  5. Step 5: Solve for x
    x = 113,082,173,450.78/372,767.24
  6. Step 6: Final answer
    x = 303,358.67

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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.