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Finding the Fourth Proportional to 372,575.42, 558,549.64 and 162,054.80

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Solution

The fourth proportional to 372,575.42, 558,549.64 and 162,054.80 is: 242,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,575.42 : 558,549.64 = 162,054.80 : x
  2. Step 2: Convert to fraction form
    372,575.42/558,549.64 = 162,054.80/x
  3. Step 3: Cross multiply
    372,575.42x = 558,549.64 × 162,054.80
  4. Step 4: Simplify right side
    372,575.42x = 90,515,650,200.27
  5. Step 5: Solve for x
    x = 90,515,650,200.27/372,575.42
  6. Step 6: Final answer
    x = 242,945.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.