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Finding the Fourth Proportional to 579,740.16, 800,156.16 and 376,043.52

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Solution

The fourth proportional to 579,740.16, 800,156.16 and 376,043.52 is: 519,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,740.16 : 800,156.16 = 376,043.52 : x
  2. Step 2: Convert to fraction form
    579,740.16/800,156.16 = 376,043.52/x
  3. Step 3: Cross multiply
    579,740.16x = 800,156.16 × 376,043.52
  4. Step 4: Simplify right side
    579,740.16x = 300,893,538,956.08
  5. Step 5: Solve for x
    x = 300,893,538,956.08/579,740.16
  6. Step 6: Final answer
    x = 519,014.48

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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.