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Finding the Fourth Proportional to 433,383.90, 598,235.67 and 263,607.90

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Solution

The fourth proportional to 433,383.90, 598,235.67 and 263,607.90 is: 363,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,383.90 : 598,235.67 = 263,607.90 : x
  2. Step 2: Convert to fraction form
    433,383.90/598,235.67 = 263,607.90/x
  3. Step 3: Cross multiply
    433,383.90x = 598,235.67 × 263,607.90
  4. Step 4: Simplify right side
    433,383.90x = 157,699,648,673.79
  5. Step 5: Solve for x
    x = 157,699,648,673.79/433,383.90
  6. Step 6: Final answer
    x = 363,879.80

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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.