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Finding the Fourth Proportional to 325,497.83, 448,770.59 and 223,345.89

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Solution

The fourth proportional to 325,497.83, 448,770.59 and 223,345.89 is: 307,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,497.83 : 448,770.59 = 223,345.89 : x
  2. Step 2: Convert to fraction form
    325,497.83/448,770.59 = 223,345.89/x
  3. Step 3: Cross multiply
    325,497.83x = 448,770.59 × 223,345.89
  4. Step 4: Simplify right side
    325,497.83x = 100,231,065,712.65
  5. Step 5: Solve for x
    x = 100,231,065,712.65/325,497.83
  6. Step 6: Final answer
    x = 307,931.60

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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.