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Finding the Fourth Proportional to 324,762, 448,140.76 and 181,518.76

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Solution

The fourth proportional to 324,762, 448,140.76 and 181,518.76 is: 250,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,762 : 448,140.76 = 181,518.76 : x
  2. Step 2: Convert to fraction form
    324,762/448,140.76 = 181,518.76/x
  3. Step 3: Cross multiply
    324,762x = 448,140.76 × 181,518.76
  4. Step 4: Simplify right side
    324,762x = 81,345,955,060.66
  5. Step 5: Solve for x
    x = 81,345,955,060.66/324,762
  6. Step 6: Final answer
    x = 250,478.67

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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.