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Finding the Fourth Proportional to 561,227.26, 842,050.02 and 336,748.79

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Solution

The fourth proportional to 561,227.26, 842,050.02 and 336,748.79 is: 505,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,227.26 : 842,050.02 = 336,748.79 : x
  2. Step 2: Convert to fraction form
    561,227.26/842,050.02 = 336,748.79/x
  3. Step 3: Cross multiply
    561,227.26x = 842,050.02 × 336,748.79
  4. Step 4: Simplify right side
    561,227.26x = 283,559,326,354.65
  5. Step 5: Solve for x
    x = 283,559,326,354.65/561,227.26
  6. Step 6: Final answer
    x = 505,248.67

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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.