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Finding the Fourth Proportional to 482,341.14, 665,859.33 and 321,464.34

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Solution

The fourth proportional to 482,341.14, 665,859.33 and 321,464.34 is: 443,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,341.14 : 665,859.33 = 321,464.34 : x
  2. Step 2: Convert to fraction form
    482,341.14/665,859.33 = 321,464.34/x
  3. Step 3: Cross multiply
    482,341.14x = 665,859.33 × 321,464.34
  4. Step 4: Simplify right side
    482,341.14x = 214,050,030,051.29
  5. Step 5: Solve for x
    x = 214,050,030,051.29/482,341.14
  6. Step 6: Final answer
    x = 443,773.11

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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.