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Finding the Fourth Proportional to 488,393.40, 732,006.90 and 251,614.20

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Solution

The fourth proportional to 488,393.40, 732,006.90 and 251,614.20 is: 377,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,393.40 : 732,006.90 = 251,614.20 : x
  2. Step 2: Convert to fraction form
    488,393.40/732,006.90 = 251,614.20/x
  3. Step 3: Cross multiply
    488,393.40x = 732,006.90 × 251,614.20
  4. Step 4: Simplify right side
    488,393.40x = 184,183,330,537.98
  5. Step 5: Solve for x
    x = 184,183,330,537.98/488,393.40
  6. Step 6: Final answer
    x = 377,120.84

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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.