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Finding the Fourth Proportional to 493,746.21, 740,186.69 and 237,450.31

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Solution

The fourth proportional to 493,746.21, 740,186.69 and 237,450.31 is: 355,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,746.21 : 740,186.69 = 237,450.31 : x
  2. Step 2: Convert to fraction form
    493,746.21/740,186.69 = 237,450.31/x
  3. Step 3: Cross multiply
    493,746.21x = 740,186.69 × 237,450.31
  4. Step 4: Simplify right side
    493,746.21x = 175,757,555,960.66
  5. Step 5: Solve for x
    x = 175,757,555,960.66/493,746.21
  6. Step 6: Final answer
    x = 355,967.40

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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.