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Finding the Fourth Proportional to 580,484.25, 870,502.77 and 225,451.53

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Solution

The fourth proportional to 580,484.25, 870,502.77 and 225,451.53 is: 338,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,484.25 : 870,502.77 = 225,451.53 : x
  2. Step 2: Convert to fraction form
    580,484.25/870,502.77 = 225,451.53/x
  3. Step 3: Cross multiply
    580,484.25x = 870,502.77 × 225,451.53
  4. Step 4: Simplify right side
    580,484.25x = 196,256,181,365.74
  5. Step 5: Solve for x
    x = 196,256,181,365.74/580,484.25
  6. Step 6: Final answer
    x = 338,090.45

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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.