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Finding the Fourth Proportional to 406,156.59, 609,291.39 and 169,444.82

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Solution

The fourth proportional to 406,156.59, 609,291.39 and 169,444.82 is: 254,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,156.59 : 609,291.39 = 169,444.82 : x
  2. Step 2: Convert to fraction form
    406,156.59/609,291.39 = 169,444.82/x
  3. Step 3: Cross multiply
    406,156.59x = 609,291.39 × 169,444.82
  4. Step 4: Simplify right side
    406,156.59x = 103,241,266,859.64
  5. Step 5: Solve for x
    x = 103,241,266,859.64/406,156.59
  6. Step 6: Final answer
    x = 254,190.80

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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.