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Finding the Fourth Proportional to 400,573.48, 552,852.12 and 228,490.60

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Solution

The fourth proportional to 400,573.48, 552,852.12 and 228,490.60 is: 315,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,573.48 : 552,852.12 = 228,490.60 : x
  2. Step 2: Convert to fraction form
    400,573.48/552,852.12 = 228,490.60/x
  3. Step 3: Cross multiply
    400,573.48x = 552,852.12 × 228,490.60
  4. Step 4: Simplify right side
    400,573.48x = 126,321,512,610.07
  5. Step 5: Solve for x
    x = 126,321,512,610.07/400,573.48
  6. Step 6: Final answer
    x = 315,351.66

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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.