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Finding the Fourth Proportional to 490,032.95, 735,077.12 and 174,489.89

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Solution

The fourth proportional to 490,032.95, 735,077.12 and 174,489.89 is: 261,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,032.95 : 735,077.12 = 174,489.89 : x
  2. Step 2: Convert to fraction form
    490,032.95/735,077.12 = 174,489.89/x
  3. Step 3: Cross multiply
    490,032.95x = 735,077.12 × 174,489.89
  4. Step 4: Simplify right side
    490,032.95x = 128,263,521,262.48
  5. Step 5: Solve for x
    x = 128,263,521,262.48/490,032.95
  6. Step 6: Final answer
    x = 261,744.69

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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.