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Finding the Fourth Proportional to 293,613.60, 407,265.60 and 283,543.68

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Solution

The fourth proportional to 293,613.60, 407,265.60 and 283,543.68 is: 393,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,613.60 : 407,265.60 = 283,543.68 : x
  2. Step 2: Convert to fraction form
    293,613.60/407,265.60 = 283,543.68/x
  3. Step 3: Cross multiply
    293,613.60x = 407,265.60 × 283,543.68
  4. Step 4: Simplify right side
    293,613.60x = 115,477,586,961.41
  5. Step 5: Solve for x
    x = 115,477,586,961.41/293,613.60
  6. Step 6: Final answer
    x = 393,297.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.