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Finding the Fourth Proportional to 475,577.63, 656,302.48 and 271,655.47

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Solution

The fourth proportional to 475,577.63, 656,302.48 and 271,655.47 is: 374,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,577.63 : 656,302.48 = 271,655.47 : x
  2. Step 2: Convert to fraction form
    475,577.63/656,302.48 = 271,655.47/x
  3. Step 3: Cross multiply
    475,577.63x = 656,302.48 × 271,655.47
  4. Step 4: Simplify right side
    475,577.63x = 178,288,155,385.05
  5. Step 5: Solve for x
    x = 178,288,155,385.05/475,577.63
  6. Step 6: Final answer
    x = 374,887.60

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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.