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Finding the Fourth Proportional to 233,999.70, 350,999.55 and 231,666.90

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Solution

The fourth proportional to 233,999.70, 350,999.55 and 231,666.90 is: 347,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,999.70 : 350,999.55 = 231,666.90 : x
  2. Step 2: Convert to fraction form
    233,999.70/350,999.55 = 231,666.90/x
  3. Step 3: Cross multiply
    233,999.70x = 350,999.55 × 231,666.90
  4. Step 4: Simplify right side
    233,999.70x = 81,314,977,649.90
  5. Step 5: Solve for x
    x = 81,314,977,649.90/233,999.70
  6. Step 6: Final answer
    x = 347,500.35

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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.