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Finding the Fourth Proportional to 324,066.90, 486,100.35 and 294,518.10

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Solution

The fourth proportional to 324,066.90, 486,100.35 and 294,518.10 is: 441,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,066.90 : 486,100.35 = 294,518.10 : x
  2. Step 2: Convert to fraction form
    324,066.90/486,100.35 = 294,518.10/x
  3. Step 3: Cross multiply
    324,066.90x = 486,100.35 × 294,518.10
  4. Step 4: Simplify right side
    324,066.90x = 143,165,351,491.34
  5. Step 5: Solve for x
    x = 143,165,351,491.34/324,066.90
  6. Step 6: Final answer
    x = 441,777.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.