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Finding the Fourth Proportional to 546,832.51, 754,630.95 and 305,125.27

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Solution

The fourth proportional to 546,832.51, 754,630.95 and 305,125.27 is: 421,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,832.51 : 754,630.95 = 305,125.27 : x
  2. Step 2: Convert to fraction form
    546,832.51/754,630.95 = 305,125.27/x
  3. Step 3: Cross multiply
    546,832.51x = 754,630.95 × 305,125.27
  4. Step 4: Simplify right side
    546,832.51x = 230,256,972,369.11
  5. Step 5: Solve for x
    x = 230,256,972,369.11/546,832.51
  6. Step 6: Final answer
    x = 421,074.04

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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.