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Finding the Fourth Proportional to 406,259.77, 609,446.40 and 169,548.25

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Solution

The fourth proportional to 406,259.77, 609,446.40 and 169,548.25 is: 254,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,259.77 : 609,446.40 = 169,548.25 : x
  2. Step 2: Convert to fraction form
    406,259.77/609,446.40 = 169,548.25/x
  3. Step 3: Cross multiply
    406,259.77x = 609,446.40 × 169,548.25
  4. Step 4: Simplify right side
    406,259.77x = 103,330,570,588.80
  5. Step 5: Solve for x
    x = 103,330,570,588.80/406,259.77
  6. Step 6: Final answer
    x = 254,346.06

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1.5x scale

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.