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Finding the Fourth Proportional to 493,325.67, 740,014.62 and 156,392.61

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Solution

The fourth proportional to 493,325.67, 740,014.62 and 156,392.61 is: 234,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,325.67 : 740,014.62 = 156,392.61 : x
  2. Step 2: Convert to fraction form
    493,325.67/740,014.62 = 156,392.61/x
  3. Step 3: Cross multiply
    493,325.67x = 740,014.62 × 156,392.61
  4. Step 4: Simplify right side
    493,325.67x = 115,732,815,378.14
  5. Step 5: Solve for x
    x = 115,732,815,378.14/493,325.67
  6. Step 6: Final answer
    x = 234,597.19

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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.