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Finding the Fourth Proportional to 501,341.80, 752,109.90 and 252,023.80

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Solution

The fourth proportional to 501,341.80, 752,109.90 and 252,023.80 is: 378,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,341.80 : 752,109.90 = 252,023.80 : x
  2. Step 2: Convert to fraction form
    501,341.80/752,109.90 = 252,023.80/x
  3. Step 3: Cross multiply
    501,341.80x = 752,109.90 × 252,023.80
  4. Step 4: Simplify right side
    501,341.80x = 189,549,595,015.62
  5. Step 5: Solve for x
    x = 189,549,595,015.62/501,341.80
  6. Step 6: Final answer
    x = 378,084.56

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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.