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Finding the Fourth Proportional to 245,887.20, 368,830.80 and 222,559.20

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Solution

The fourth proportional to 245,887.20, 368,830.80 and 222,559.20 is: 333,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,887.20 : 368,830.80 = 222,559.20 : x
  2. Step 2: Convert to fraction form
    245,887.20/368,830.80 = 222,559.20/x
  3. Step 3: Cross multiply
    245,887.20x = 368,830.80 × 222,559.20
  4. Step 4: Simplify right side
    245,887.20x = 82,086,687,783.36
  5. Step 5: Solve for x
    x = 82,086,687,783.36/245,887.20
  6. Step 6: Final answer
    x = 333,838.80

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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.