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Finding the Fourth Proportional to 367,910.90, 507,900.76 and 240,780.68

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Solution

The fourth proportional to 367,910.90, 507,900.76 and 240,780.68 is: 332,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,910.90 : 507,900.76 = 240,780.68 : x
  2. Step 2: Convert to fraction form
    367,910.90/507,900.76 = 240,780.68/x
  3. Step 3: Cross multiply
    367,910.90x = 507,900.76 × 240,780.68
  4. Step 4: Simplify right side
    367,910.90x = 122,292,690,365.32
  5. Step 5: Solve for x
    x = 122,292,690,365.32/367,910.90
  6. Step 6: Final answer
    x = 332,397.57

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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.