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Finding the Fourth Proportional to 503,220.88, 693,693.48 and 333,159.76

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Solution

The fourth proportional to 503,220.88, 693,693.48 and 333,159.76 is: 459,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,220.88 : 693,693.48 = 333,159.76 : x
  2. Step 2: Convert to fraction form
    503,220.88/693,693.48 = 333,159.76/x
  3. Step 3: Cross multiply
    503,220.88x = 693,693.48 × 333,159.76
  4. Step 4: Simplify right side
    503,220.88x = 231,110,753,310.37
  5. Step 5: Solve for x
    x = 231,110,753,310.37/503,220.88
  6. Step 6: Final answer
    x = 459,263.04

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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.