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Finding the Fourth Proportional to 497,068.60, 685,962.48 and 270,713.92

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Solution

The fourth proportional to 497,068.60, 685,962.48 and 270,713.92 is: 373,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,068.60 : 685,962.48 = 270,713.92 : x
  2. Step 2: Convert to fraction form
    497,068.60/685,962.48 = 270,713.92/x
  3. Step 3: Cross multiply
    497,068.60x = 685,962.48 × 270,713.92
  4. Step 4: Simplify right side
    497,068.60x = 185,699,591,933.72
  5. Step 5: Solve for x
    x = 185,699,591,933.72/497,068.60
  6. Step 6: Final answer
    x = 373,589.46

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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.