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Finding the Fourth Proportional to 400,655.01, 552,903.96 and 219,366.96

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Solution

The fourth proportional to 400,655.01, 552,903.96 and 219,366.96 is: 302,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,655.01 : 552,903.96 = 219,366.96 : x
  2. Step 2: Convert to fraction form
    400,655.01/552,903.96 = 219,366.96/x
  3. Step 3: Cross multiply
    400,655.01x = 552,903.96 × 219,366.96
  4. Step 4: Simplify right side
    400,655.01x = 121,288,860,877.16
  5. Step 5: Solve for x
    x = 121,288,860,877.16/400,655.01
  6. Step 6: Final answer
    x = 302,726.43

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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.