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Finding the Fourth Proportional to 306,552.67, 459,622.45 and 156,670.27

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Solution

The fourth proportional to 306,552.67, 459,622.45 and 156,670.27 is: 234,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,552.67 : 459,622.45 = 156,670.27 : x
  2. Step 2: Convert to fraction form
    306,552.67/459,622.45 = 156,670.27/x
  3. Step 3: Cross multiply
    306,552.67x = 459,622.45 × 156,670.27
  4. Step 4: Simplify right side
    306,552.67x = 72,009,173,339.56
  5. Step 5: Solve for x
    x = 72,009,173,339.56/306,552.67
  6. Step 6: Final answer
    x = 234,899.84

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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.