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Finding the Fourth Proportional to 322,430.40, 483,645.60 and 222,897.60

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Solution

The fourth proportional to 322,430.40, 483,645.60 and 222,897.60 is: 334,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,430.40 : 483,645.60 = 222,897.60 : x
  2. Step 2: Convert to fraction form
    322,430.40/483,645.60 = 222,897.60/x
  3. Step 3: Cross multiply
    322,430.40x = 483,645.60 × 222,897.60
  4. Step 4: Simplify right side
    322,430.40x = 107,803,443,490.56
  5. Step 5: Solve for x
    x = 107,803,443,490.56/322,430.40
  6. Step 6: Final answer
    x = 334,346.40

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1.5x scale

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.