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Finding the Fourth Proportional to 441,556, 609,347.36 and 240,352

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Solution

The fourth proportional to 441,556, 609,347.36 and 240,352 is: 331,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,556 : 609,347.36 = 240,352 : x
  2. Step 2: Convert to fraction form
    441,556/609,347.36 = 240,352/x
  3. Step 3: Cross multiply
    441,556x = 609,347.36 × 240,352
  4. Step 4: Simplify right side
    441,556x = 146,457,856,670.72
  5. Step 5: Solve for x
    x = 146,457,856,670.72/441,556
  6. Step 6: Final answer
    x = 331,685.80

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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.