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Finding the Fourth Proportional to 359,945.40, 496,779.84 and 222,204.54

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Solution

The fourth proportional to 359,945.40, 496,779.84 and 222,204.54 is: 306,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,945.40 : 496,779.84 = 222,204.54 : x
  2. Step 2: Convert to fraction form
    359,945.40/496,779.84 = 222,204.54/x
  3. Step 3: Cross multiply
    359,945.40x = 496,779.84 × 222,204.54
  4. Step 4: Simplify right side
    359,945.40x = 110,386,735,828.47
  5. Step 5: Solve for x
    x = 110,386,735,828.47/359,945.40
  6. Step 6: Final answer
    x = 306,676.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.