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Finding the Fourth Proportional to 603,272.78, 832,526.47 and 331,365.84

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Solution

The fourth proportional to 603,272.78, 832,526.47 and 331,365.84 is: 457,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,272.78 : 832,526.47 = 331,365.84 : x
  2. Step 2: Convert to fraction form
    603,272.78/832,526.47 = 331,365.84/x
  3. Step 3: Cross multiply
    603,272.78x = 832,526.47 × 331,365.84
  4. Step 4: Simplify right side
    603,272.78x = 275,870,833,053.79
  5. Step 5: Solve for x
    x = 275,870,833,053.79/603,272.78
  6. Step 6: Final answer
    x = 457,290.37

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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.