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Finding the Fourth Proportional to 580,621.64, 871,034.58 and 265,110.44

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Solution

The fourth proportional to 580,621.64, 871,034.58 and 265,110.44 is: 397,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,621.64 : 871,034.58 = 265,110.44 : x
  2. Step 2: Convert to fraction form
    580,621.64/871,034.58 = 265,110.44/x
  3. Step 3: Cross multiply
    580,621.64x = 871,034.58 × 265,110.44
  4. Step 4: Simplify right side
    580,621.64x = 230,920,356,403.84
  5. Step 5: Solve for x
    x = 230,920,356,403.84/580,621.64
  6. Step 6: Final answer
    x = 397,712.28

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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.