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Finding the Fourth Proportional to 356,642.24, 535,799.24 and 336,466.72

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Solution

The fourth proportional to 356,642.24, 535,799.24 and 336,466.72 is: 505,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,642.24 : 535,799.24 = 336,466.72 : x
  2. Step 2: Convert to fraction form
    356,642.24/535,799.24 = 336,466.72/x
  3. Step 3: Cross multiply
    356,642.24x = 535,799.24 × 336,466.72
  4. Step 4: Simplify right side
    356,642.24x = 180,278,612,861.29
  5. Step 5: Solve for x
    x = 180,278,612,861.29/356,642.24
  6. Step 6: Final answer
    x = 505,488.67

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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.