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Finding the Fourth Proportional to 475,955.92, 656,777.32 and 271,966.32

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Solution

The fourth proportional to 475,955.92, 656,777.32 and 271,966.32 is: 375,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,955.92 : 656,777.32 = 271,966.32 : x
  2. Step 2: Convert to fraction form
    475,955.92/656,777.32 = 271,966.32/x
  3. Step 3: Cross multiply
    475,955.92x = 656,777.32 × 271,966.32
  4. Step 4: Simplify right side
    475,955.92x = 178,621,310,779.86
  5. Step 5: Solve for x
    x = 178,621,310,779.86/475,955.92
  6. Step 6: Final answer
    x = 375,289.61

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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.