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Finding the Fourth Proportional to 332,054.80, 497,909.16 and 118,740.48

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Solution

The fourth proportional to 332,054.80, 497,909.16 and 118,740.48 is: 178,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,054.80 : 497,909.16 = 118,740.48 : x
  2. Step 2: Convert to fraction form
    332,054.80/497,909.16 = 118,740.48/x
  3. Step 3: Cross multiply
    332,054.80x = 497,909.16 × 118,740.48
  4. Step 4: Simplify right side
    332,054.80x = 59,121,972,654.80
  5. Step 5: Solve for x
    x = 59,121,972,654.80/332,054.80
  6. Step 6: Final answer
    x = 178,048.84

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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.