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Finding the Fourth Proportional to 535,001.75, 738,355.23 and 305,593.34

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Solution

The fourth proportional to 535,001.75, 738,355.23 and 305,593.34 is: 421,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,001.75 : 738,355.23 = 305,593.34 : x
  2. Step 2: Convert to fraction form
    535,001.75/738,355.23 = 305,593.34/x
  3. Step 3: Cross multiply
    535,001.75x = 738,355.23 × 305,593.34
  4. Step 4: Simplify right side
    535,001.75x = 225,636,440,842.17
  5. Step 5: Solve for x
    x = 225,636,440,842.17/535,001.75
  6. Step 6: Final answer
    x = 421,748.98

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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.