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Finding the Fourth Proportional to 441,405.60, 662,108.40 and 406,845.60

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Solution

The fourth proportional to 441,405.60, 662,108.40 and 406,845.60 is: 610,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,405.60 : 662,108.40 = 406,845.60 : x
  2. Step 2: Convert to fraction form
    441,405.60/662,108.40 = 406,845.60/x
  3. Step 3: Cross multiply
    441,405.60x = 662,108.40 × 406,845.60
  4. Step 4: Simplify right side
    441,405.60x = 269,375,889,263.04
  5. Step 5: Solve for x
    x = 269,375,889,263.04/441,405.60
  6. Step 6: Final answer
    x = 610,268.40

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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.