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Finding the Fourth Proportional to 246,526.88, 340,199.12 and 155,932.32

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Solution

The fourth proportional to 246,526.88, 340,199.12 and 155,932.32 is: 215,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,526.88 : 340,199.12 = 155,932.32 : x
  2. Step 2: Convert to fraction form
    246,526.88/340,199.12 = 155,932.32/x
  3. Step 3: Cross multiply
    246,526.88x = 340,199.12 × 155,932.32
  4. Step 4: Simplify right side
    246,526.88x = 53,048,038,043.56
  5. Step 5: Solve for x
    x = 53,048,038,043.56/246,526.88
  6. Step 6: Final answer
    x = 215,181.56

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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.