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Finding the Fourth Proportional to 488,538.10, 732,782.85 and 251,904.70

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Solution

The fourth proportional to 488,538.10, 732,782.85 and 251,904.70 is: 377,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,538.10 : 732,782.85 = 251,904.70 : x
  2. Step 2: Convert to fraction form
    488,538.10/732,782.85 = 251,904.70/x
  3. Step 3: Cross multiply
    488,538.10x = 732,782.85 × 251,904.70
  4. Step 4: Simplify right side
    488,538.10x = 184,591,443,994.40
  5. Step 5: Solve for x
    x = 184,591,443,994.40/488,538.10
  6. Step 6: Final answer
    x = 377,844.52

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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.