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Finding the Fourth Proportional to 332,054.40, 498,081.60 and 213,859.20

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Solution

The fourth proportional to 332,054.40, 498,081.60 and 213,859.20 is: 320,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,054.40 : 498,081.60 = 213,859.20 : x
  2. Step 2: Convert to fraction form
    332,054.40/498,081.60 = 213,859.20/x
  3. Step 3: Cross multiply
    332,054.40x = 498,081.60 × 213,859.20
  4. Step 4: Simplify right side
    332,054.40x = 106,519,332,510.72
  5. Step 5: Solve for x
    x = 106,519,332,510.72/332,054.40
  6. Step 6: Final answer
    x = 320,788.80

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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.