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Finding the Fourth Proportional to 406,237.60, 608,319.60 and 323,293.60

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Solution

The fourth proportional to 406,237.60, 608,319.60 and 323,293.60 is: 484,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,237.60 : 608,319.60 = 323,293.60 : x
  2. Step 2: Convert to fraction form
    406,237.60/608,319.60 = 323,293.60/x
  3. Step 3: Cross multiply
    406,237.60x = 608,319.60 × 323,293.60
  4. Step 4: Simplify right side
    406,237.60x = 196,665,833,434.56
  5. Step 5: Solve for x
    x = 196,665,833,434.56/406,237.60
  6. Step 6: Final answer
    x = 484,115.29

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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.