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Finding the Fourth Proportional to 469,325.67, 647,665.50 and 265,416.63

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Solution

The fourth proportional to 469,325.67, 647,665.50 and 265,416.63 is: 366,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,325.67 : 647,665.50 = 265,416.63 : x
  2. Step 2: Convert to fraction form
    469,325.67/647,665.50 = 265,416.63/x
  3. Step 3: Cross multiply
    469,325.67x = 647,665.50 × 265,416.63
  4. Step 4: Simplify right side
    469,325.67x = 171,901,194,377.27
  5. Step 5: Solve for x
    x = 171,901,194,377.27/469,325.67
  6. Step 6: Final answer
    x = 366,272.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.