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Finding the Fourth Proportional to 479,963.68, 719,945.52 and 184,268.32

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Solution

The fourth proportional to 479,963.68, 719,945.52 and 184,268.32 is: 276,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,963.68 : 719,945.52 = 184,268.32 : x
  2. Step 2: Convert to fraction form
    479,963.68/719,945.52 = 184,268.32/x
  3. Step 3: Cross multiply
    479,963.68x = 719,945.52 × 184,268.32
  4. Step 4: Simplify right side
    479,963.68x = 132,663,151,461.93
  5. Step 5: Solve for x
    x = 132,663,151,461.93/479,963.68
  6. Step 6: Final answer
    x = 276,402.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.