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Finding the Fourth Proportional to 397,498.60, 596,247.90 and 210,874.60

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Solution

The fourth proportional to 397,498.60, 596,247.90 and 210,874.60 is: 316,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,498.60 : 596,247.90 = 210,874.60 : x
  2. Step 2: Convert to fraction form
    397,498.60/596,247.90 = 210,874.60/x
  3. Step 3: Cross multiply
    397,498.60x = 596,247.90 × 210,874.60
  4. Step 4: Simplify right side
    397,498.60x = 125,733,537,413.34
  5. Step 5: Solve for x
    x = 125,733,537,413.34/397,498.60
  6. Step 6: Final answer
    x = 316,311.90

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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.