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Finding the Fourth Proportional to 322,502.40, 483,897.60 and 112,291.20

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Solution

The fourth proportional to 322,502.40, 483,897.60 and 112,291.20 is: 168,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,502.40 : 483,897.60 = 112,291.20 : x
  2. Step 2: Convert to fraction form
    322,502.40/483,897.60 = 112,291.20/x
  3. Step 3: Cross multiply
    322,502.40x = 483,897.60 × 112,291.20
  4. Step 4: Simplify right side
    322,502.40x = 54,337,442,181.12
  5. Step 5: Solve for x
    x = 54,337,442,181.12/322,502.40
  6. Step 6: Final answer
    x = 168,486.94

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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.