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Finding the Fourth Proportional to 677,520.27, 934,977.87 and 375,714.27

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Solution

The fourth proportional to 677,520.27, 934,977.87 and 375,714.27 is: 518,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,520.27 : 934,977.87 = 375,714.27 : x
  2. Step 2: Convert to fraction form
    677,520.27/934,977.87 = 375,714.27/x
  3. Step 3: Cross multiply
    677,520.27x = 934,977.87 × 375,714.27
  4. Step 4: Simplify right side
    677,520.27x = 351,284,527,893.21
  5. Step 5: Solve for x
    x = 351,284,527,893.21/677,520.27
  6. Step 6: Final answer
    x = 518,485.64

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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.