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Finding the Fourth Proportional to 406,441.51, 609,662.33 and 169,655.02

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Solution

The fourth proportional to 406,441.51, 609,662.33 and 169,655.02 is: 254,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,441.51 : 609,662.33 = 169,655.02 : x
  2. Step 2: Convert to fraction form
    406,441.51/609,662.33 = 169,655.02/x
  3. Step 3: Cross multiply
    406,441.51x = 609,662.33 × 169,655.02
  4. Step 4: Simplify right side
    406,441.51x = 103,432,274,789.40
  5. Step 5: Solve for x
    x = 103,432,274,789.40/406,441.51
  6. Step 6: Final answer
    x = 254,482.56

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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.