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Finding the Fourth Proportional to 406,004.40, 608,656.68 and 195,352.56

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Solution

The fourth proportional to 406,004.40, 608,656.68 and 195,352.56 is: 292,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,004.40 : 608,656.68 = 195,352.56 : x
  2. Step 2: Convert to fraction form
    406,004.40/608,656.68 = 195,352.56/x
  3. Step 3: Cross multiply
    406,004.40x = 608,656.68 × 195,352.56
  4. Step 4: Simplify right side
    406,004.40x = 118,902,640,599.10
  5. Step 5: Solve for x
    x = 118,902,640,599.10/406,004.40
  6. Step 6: Final answer
    x = 292,860.47

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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.