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Finding the Fourth Proportional to 488,552.40, 674,243.76 and 273,689.52

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Solution

The fourth proportional to 488,552.40, 674,243.76 and 273,689.52 is: 377,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,552.40 : 674,243.76 = 273,689.52 : x
  2. Step 2: Convert to fraction form
    488,552.40/674,243.76 = 273,689.52/x
  3. Step 3: Cross multiply
    488,552.40x = 674,243.76 × 273,689.52
  4. Step 4: Simplify right side
    488,552.40x = 184,533,451,037.40
  5. Step 5: Solve for x
    x = 184,533,451,037.40/488,552.40
  6. Step 6: Final answer
    x = 377,714.76

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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.