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Finding the Fourth Proportional to 665,999.37, 919,060.44 and 364,186.89

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Solution

The fourth proportional to 665,999.37, 919,060.44 and 364,186.89 is: 502,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,999.37 : 919,060.44 = 364,186.89 : x
  2. Step 2: Convert to fraction form
    665,999.37/919,060.44 = 364,186.89/x
  3. Step 3: Cross multiply
    665,999.37x = 919,060.44 × 364,186.89
  4. Step 4: Simplify right side
    665,999.37x = 334,709,763,365.63
  5. Step 5: Solve for x
    x = 334,709,763,365.63/665,999.37
  6. Step 6: Final answer
    x = 502,567.69

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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.