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Finding the Fourth Proportional to 677,610.85, 935,115.41 and 371,702.86

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Solution

The fourth proportional to 677,610.85, 935,115.41 and 371,702.86 is: 512,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,610.85 : 935,115.41 = 371,702.86 : x
  2. Step 2: Convert to fraction form
    677,610.85/935,115.41 = 371,702.86/x
  3. Step 3: Cross multiply
    677,610.85x = 935,115.41 × 371,702.86
  4. Step 4: Simplify right side
    677,610.85x = 347,585,073,818.15
  5. Step 5: Solve for x
    x = 347,585,073,818.15/677,610.85
  6. Step 6: Final answer
    x = 512,956.77

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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.