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Finding the Fourth Proportional to 488,656.54, 674,337.56 and 273,795.94

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Solution

The fourth proportional to 488,656.54, 674,337.56 and 273,795.94 is: 377,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,656.54 : 674,337.56 = 273,795.94 : x
  2. Step 2: Convert to fraction form
    488,656.54/674,337.56 = 273,795.94/x
  3. Step 3: Cross multiply
    488,656.54x = 674,337.56 × 273,795.94
  4. Step 4: Simplify right side
    488,656.54x = 184,630,886,117.51
  5. Step 5: Solve for x
    x = 184,630,886,117.51/488,656.54
  6. Step 6: Final answer
    x = 377,833.65

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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.