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Finding the Fourth Proportional to 400,559.48, 552,832.80 and 228,476.60

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Solution

The fourth proportional to 400,559.48, 552,832.80 and 228,476.60 is: 315,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,559.48 : 552,832.80 = 228,476.60 : x
  2. Step 2: Convert to fraction form
    400,559.48/552,832.80 = 228,476.60/x
  3. Step 3: Cross multiply
    400,559.48x = 552,832.80 × 228,476.60
  4. Step 4: Simplify right side
    400,559.48x = 126,309,358,512.48
  5. Step 5: Solve for x
    x = 126,309,358,512.48/400,559.48
  6. Step 6: Final answer
    x = 315,332.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.