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Finding the Fourth Proportional to 463,887.60, 696,090.60 and 197,602.80

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Solution

The fourth proportional to 463,887.60, 696,090.60 and 197,602.80 is: 296,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,887.60 : 696,090.60 = 197,602.80 : x
  2. Step 2: Convert to fraction form
    463,887.60/696,090.60 = 197,602.80/x
  3. Step 3: Cross multiply
    463,887.60x = 696,090.60 × 197,602.80
  4. Step 4: Simplify right side
    463,887.60x = 137,549,451,613.68
  5. Step 5: Solve for x
    x = 137,549,451,613.68/463,887.60
  6. Step 6: Final answer
    x = 296,514.61

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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.