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Finding the Fourth Proportional to 246,988.64, 340,850.76 and 151,440.32

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Solution

The fourth proportional to 246,988.64, 340,850.76 and 151,440.32 is: 208,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,988.64 : 340,850.76 = 151,440.32 : x
  2. Step 2: Convert to fraction form
    246,988.64/340,850.76 = 151,440.32/x
  3. Step 3: Cross multiply
    246,988.64x = 340,850.76 × 151,440.32
  4. Step 4: Simplify right side
    246,988.64x = 51,618,548,166.64
  5. Step 5: Solve for x
    x = 51,618,548,166.64/246,988.64
  6. Step 6: Final answer
    x = 208,991.59

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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.