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Finding the Fourth Proportional to 590,952.96, 815,518.08 and 322,680.96

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Solution

The fourth proportional to 590,952.96, 815,518.08 and 322,680.96 is: 445,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,952.96 : 815,518.08 = 322,680.96 : x
  2. Step 2: Convert to fraction form
    590,952.96/815,518.08 = 322,680.96/x
  3. Step 3: Cross multiply
    590,952.96x = 815,518.08 × 322,680.96
  4. Step 4: Simplify right side
    590,952.96x = 263,152,156,951.76
  5. Step 5: Solve for x
    x = 263,152,156,951.76/590,952.96
  6. Step 6: Final answer
    x = 445,301.36

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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.