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Finding the Fourth Proportional to 495,589.14, 738,138.29 and 493,172.64

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Solution

The fourth proportional to 495,589.14, 738,138.29 and 493,172.64 is: 734,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,589.14 : 738,138.29 = 493,172.64 : x
  2. Step 2: Convert to fraction form
    495,589.14/738,138.29 = 493,172.64/x
  3. Step 3: Cross multiply
    495,589.14x = 738,138.29 × 493,172.64
  4. Step 4: Simplify right side
    495,589.14x = 364,029,606,698.52
  5. Step 5: Solve for x
    x = 364,029,606,698.52/495,589.14
  6. Step 6: Final answer
    x = 734,539.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.