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Finding the Fourth Proportional to 246,984.64, 340,854.48 and 151,478.32

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Solution

The fourth proportional to 246,984.64, 340,854.48 and 151,478.32 is: 209,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,984.64 : 340,854.48 = 151,478.32 : x
  2. Step 2: Convert to fraction form
    246,984.64/340,854.48 = 151,478.32/x
  3. Step 3: Cross multiply
    246,984.64x = 340,854.48 × 151,478.32
  4. Step 4: Simplify right side
    246,984.64x = 51,632,063,994.87
  5. Step 5: Solve for x
    x = 51,632,063,994.87/246,984.64
  6. Step 6: Final answer
    x = 209,049.70

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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.