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Finding the Fourth Proportional to 496,577.61, 744,873.28 and 141,591.59

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Solution

The fourth proportional to 496,577.61, 744,873.28 and 141,591.59 is: 212,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,577.61 : 744,873.28 = 141,591.59 : x
  2. Step 2: Convert to fraction form
    496,577.61/744,873.28 = 141,591.59/x
  3. Step 3: Cross multiply
    496,577.61x = 744,873.28 × 141,591.59
  4. Step 4: Simplify right side
    496,577.61x = 105,467,787,631.39
  5. Step 5: Solve for x
    x = 105,467,787,631.39/496,577.61
  6. Step 6: Final answer
    x = 212,389.34

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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.