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Finding the Fourth Proportional to 504,992.12, 696,888.74 and 323,703.92

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Solution

The fourth proportional to 504,992.12, 696,888.74 and 323,703.92 is: 446,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,992.12 : 696,888.74 = 323,703.92 : x
  2. Step 2: Convert to fraction form
    504,992.12/696,888.74 = 323,703.92/x
  3. Step 3: Cross multiply
    504,992.12x = 696,888.74 × 323,703.92
  4. Step 4: Simplify right side
    504,992.12x = 225,585,611,838.90
  5. Step 5: Solve for x
    x = 225,585,611,838.90/504,992.12
  6. Step 6: Final answer
    x = 446,711.16

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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.