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Finding the Fourth Proportional to 488,756.04, 674,491.50 and 273,944.04

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Solution

The fourth proportional to 488,756.04, 674,491.50 and 273,944.04 is: 378,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,756.04 : 674,491.50 = 273,944.04 : x
  2. Step 2: Convert to fraction form
    488,756.04/674,491.50 = 273,944.04/x
  3. Step 3: Cross multiply
    488,756.04x = 674,491.50 × 273,944.04
  4. Step 4: Simplify right side
    488,756.04x = 184,772,926,455.66
  5. Step 5: Solve for x
    x = 184,772,926,455.66/488,756.04
  6. Step 6: Final answer
    x = 378,047.35

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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.