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Finding the Fourth Proportional to 487,613.96, 731,418.06 and 184,064.84

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Solution

The fourth proportional to 487,613.96, 731,418.06 and 184,064.84 is: 276,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,613.96 : 731,418.06 = 184,064.84 : x
  2. Step 2: Convert to fraction form
    487,613.96/731,418.06 = 184,064.84/x
  3. Step 3: Cross multiply
    487,613.96x = 731,418.06 × 184,064.84
  4. Step 4: Simplify right side
    487,613.96x = 134,628,348,187.01
  5. Step 5: Solve for x
    x = 134,628,348,187.01/487,613.96
  6. Step 6: Final answer
    x = 276,096.17

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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.