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Finding the Fourth Proportional to 319,034.88, 440,242.56 and 184,907.52

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Solution

The fourth proportional to 319,034.88, 440,242.56 and 184,907.52 is: 255,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,034.88 : 440,242.56 = 184,907.52 : x
  2. Step 2: Convert to fraction form
    319,034.88/440,242.56 = 184,907.52/x
  3. Step 3: Cross multiply
    319,034.88x = 440,242.56 × 184,907.52
  4. Step 4: Simplify right side
    319,034.88x = 81,404,159,968.05
  5. Step 5: Solve for x
    x = 81,404,159,968.05/319,034.88
  6. Step 6: Final answer
    x = 255,157.56

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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.