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Finding the Fourth Proportional to 436,783.86, 602,766.02 and 243,194.27

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Solution

The fourth proportional to 436,783.86, 602,766.02 and 243,194.27 is: 335,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,783.86 : 602,766.02 = 243,194.27 : x
  2. Step 2: Convert to fraction form
    436,783.86/602,766.02 = 243,194.27/x
  3. Step 3: Cross multiply
    436,783.86x = 602,766.02 × 243,194.27
  4. Step 4: Simplify right side
    436,783.86x = 146,589,239,808.86
  5. Step 5: Solve for x
    x = 146,589,239,808.86/436,783.86
  6. Step 6: Final answer
    x = 335,610.48

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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.