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Finding the Fourth Proportional to 580,628.52, 871,044.84 and 265,117.32

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Solution

The fourth proportional to 580,628.52, 871,044.84 and 265,117.32 is: 397,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,628.52 : 871,044.84 = 265,117.32 : x
  2. Step 2: Convert to fraction form
    580,628.52/871,044.84 = 265,117.32/x
  3. Step 3: Cross multiply
    580,628.52x = 871,044.84 × 265,117.32
  4. Step 4: Simplify right side
    580,628.52x = 230,929,073,580.63
  5. Step 5: Solve for x
    x = 230,929,073,580.63/580,628.52
  6. Step 6: Final answer
    x = 397,722.58

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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.