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Finding the Fourth Proportional to 505,673.10, 757,999.35 and 252,564.30

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Solution

The fourth proportional to 505,673.10, 757,999.35 and 252,564.30 is: 378,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,673.10 : 757,999.35 = 252,564.30 : x
  2. Step 2: Convert to fraction form
    505,673.10/757,999.35 = 252,564.30/x
  3. Step 3: Cross multiply
    505,673.10x = 757,999.35 × 252,564.30
  4. Step 4: Simplify right side
    505,673.10x = 191,443,575,233.21
  5. Step 5: Solve for x
    x = 191,443,575,233.21/505,673.10
  6. Step 6: Final answer
    x = 378,591.57

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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.