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Finding the Fourth Proportional to 406,521.26, 609,683.87 and 169,735.58

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Solution

The fourth proportional to 406,521.26, 609,683.87 and 169,735.58 is: 254,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,521.26 : 609,683.87 = 169,735.58 : x
  2. Step 2: Convert to fraction form
    406,521.26/609,683.87 = 169,735.58/x
  3. Step 3: Cross multiply
    406,521.26x = 609,683.87 × 169,735.58
  4. Step 4: Simplify right side
    406,521.26x = 103,485,041,394.00
  5. Step 5: Solve for x
    x = 103,485,041,394.00/406,521.26
  6. Step 6: Final answer
    x = 254,562.44

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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.