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Finding the Fourth Proportional to 441,403.60, 662,191.80 and 188,683.60

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Solution

The fourth proportional to 441,403.60, 662,191.80 and 188,683.60 is: 283,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,403.60 : 662,191.80 = 188,683.60 : x
  2. Step 2: Convert to fraction form
    441,403.60/662,191.80 = 188,683.60/x
  3. Step 3: Cross multiply
    441,403.60x = 662,191.80 × 188,683.60
  4. Step 4: Simplify right side
    441,403.60x = 124,944,732,714.48
  5. Step 5: Solve for x
    x = 124,944,732,714.48/441,403.60
  6. Step 6: Final answer
    x = 283,062.33

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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.