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Finding the Fourth Proportional to 397,752.37, 596,702.77 and 131,700.17

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Solution

The fourth proportional to 397,752.37, 596,702.77 and 131,700.17 is: 197,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,752.37 : 596,702.77 = 131,700.17 : x
  2. Step 2: Convert to fraction form
    397,752.37/596,702.77 = 131,700.17/x
  3. Step 3: Cross multiply
    397,752.37x = 596,702.77 × 131,700.17
  4. Step 4: Simplify right side
    397,752.37x = 78,585,857,410.98
  5. Step 5: Solve for x
    x = 78,585,857,410.98/397,752.37
  6. Step 6: Final answer
    x = 197,574.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.