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Finding the Fourth Proportional to 350,051.21, 483,076.80 and 206,810.91

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Solution

The fourth proportional to 350,051.21, 483,076.80 and 206,810.91 is: 285,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,051.21 : 483,076.80 = 206,810.91 : x
  2. Step 2: Convert to fraction form
    350,051.21/483,076.80 = 206,810.91/x
  3. Step 3: Cross multiply
    350,051.21x = 483,076.80 × 206,810.91
  4. Step 4: Simplify right side
    350,051.21x = 99,905,552,607.89
  5. Step 5: Solve for x
    x = 99,905,552,607.89/350,051.21
  6. Step 6: Final answer
    x = 285,402.68

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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.