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Finding the Fourth Proportional to 271,577.55, 374,959.76 and 207,801.39

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Solution

The fourth proportional to 271,577.55, 374,959.76 and 207,801.39 is: 286,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,577.55 : 374,959.76 = 207,801.39 : x
  2. Step 2: Convert to fraction form
    271,577.55/374,959.76 = 207,801.39/x
  3. Step 3: Cross multiply
    271,577.55x = 374,959.76 × 207,801.39
  4. Step 4: Simplify right side
    271,577.55x = 77,917,158,283.06
  5. Step 5: Solve for x
    x = 77,917,158,283.06/271,577.55
  6. Step 6: Final answer
    x = 286,905.74

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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.