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Finding the Fourth Proportional to 347,571.92, 521,396.76 and 98,273.36

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Solution

The fourth proportional to 347,571.92, 521,396.76 and 98,273.36 is: 147,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,571.92 : 521,396.76 = 98,273.36 : x
  2. Step 2: Convert to fraction form
    347,571.92/521,396.76 = 98,273.36/x
  3. Step 3: Cross multiply
    347,571.92x = 521,396.76 × 98,273.36
  4. Step 4: Simplify right side
    347,571.92x = 51,239,411,498.31
  5. Step 5: Solve for x
    x = 51,239,411,498.31/347,571.92
  6. Step 6: Final answer
    x = 147,421.03

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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.