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Finding the Fourth Proportional to 488,562.48, 674,214.72 and 270,785.04

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Solution

The fourth proportional to 488,562.48, 674,214.72 and 270,785.04 is: 373,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,562.48 : 674,214.72 = 270,785.04 : x
  2. Step 2: Convert to fraction form
    488,562.48/674,214.72 = 270,785.04/x
  3. Step 3: Cross multiply
    488,562.48x = 674,214.72 × 270,785.04
  4. Step 4: Simplify right side
    488,562.48x = 182,567,259,923.79
  5. Step 5: Solve for x
    x = 182,567,259,923.79/488,562.48
  6. Step 6: Final answer
    x = 373,682.52

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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.