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Finding the Fourth Proportional to 535,393.56, 802,019.58 and 322,043.64

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Solution

The fourth proportional to 535,393.56, 802,019.58 and 322,043.64 is: 482,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,393.56 : 802,019.58 = 322,043.64 : x
  2. Step 2: Convert to fraction form
    535,393.56/802,019.58 = 322,043.64/x
  3. Step 3: Cross multiply
    535,393.56x = 802,019.58 × 322,043.64
  4. Step 4: Simplify right side
    535,393.56x = 258,285,304,894.47
  5. Step 5: Solve for x
    x = 258,285,304,894.47/535,393.56
  6. Step 6: Final answer
    x = 482,421.39

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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.