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Finding the Fourth Proportional to 535,392.56, 802,018.08 and 322,042.64

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Solution

The fourth proportional to 535,392.56, 802,018.08 and 322,042.64 is: 482,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,392.56 : 802,018.08 = 322,042.64 : x
  2. Step 2: Convert to fraction form
    535,392.56/802,018.08 = 322,042.64/x
  3. Step 3: Cross multiply
    535,392.56x = 802,018.08 × 322,042.64
  4. Step 4: Simplify right side
    535,392.56x = 258,284,019,810.93
  5. Step 5: Solve for x
    x = 258,284,019,810.93/535,392.56
  6. Step 6: Final answer
    x = 482,419.89

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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.