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Finding the Fourth Proportional to 497,557.92, 686,622.96 and 271,204.32

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Solution

The fourth proportional to 497,557.92, 686,622.96 and 271,204.32 is: 374,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,557.92 : 686,622.96 = 271,204.32 : x
  2. Step 2: Convert to fraction form
    497,557.92/686,622.96 = 271,204.32/x
  3. Step 3: Cross multiply
    497,557.92x = 686,622.96 × 271,204.32
  4. Step 4: Simplify right side
    497,557.92x = 186,215,112,963.19
  5. Step 5: Solve for x
    x = 186,215,112,963.19/497,557.92
  6. Step 6: Final answer
    x = 374,258.16

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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.