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Finding the Fourth Proportional to 539,215.92, 808,918.96 and 184,146.72

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Solution

The fourth proportional to 539,215.92, 808,918.96 and 184,146.72 is: 276,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,215.92 : 808,918.96 = 184,146.72 : x
  2. Step 2: Convert to fraction form
    539,215.92/808,918.96 = 184,146.72/x
  3. Step 3: Cross multiply
    539,215.92x = 808,918.96 × 184,146.72
  4. Step 4: Simplify right side
    539,215.92x = 148,959,773,229.81
  5. Step 5: Solve for x
    x = 148,959,773,229.81/539,215.92
  6. Step 6: Final answer
    x = 276,252.55

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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.