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Finding the Fourth Proportional to 488,558.13, 674,210.21 and 273,698.13

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Solution

The fourth proportional to 488,558.13, 674,210.21 and 273,698.13 is: 377,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,558.13 : 674,210.21 = 273,698.13 : x
  2. Step 2: Convert to fraction form
    488,558.13/674,210.21 = 273,698.13/x
  3. Step 3: Cross multiply
    488,558.13x = 674,210.21 × 273,698.13
  4. Step 4: Simplify right side
    488,558.13x = 184,530,073,703.91
  5. Step 5: Solve for x
    x = 184,530,073,703.91/488,558.13
  6. Step 6: Final answer
    x = 377,703.41

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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.