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Finding the Fourth Proportional to 488,015.40, 732,023.10 and 251,819.40

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Solution

The fourth proportional to 488,015.40, 732,023.10 and 251,819.40 is: 377,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,015.40 : 732,023.10 = 251,819.40 : x
  2. Step 2: Convert to fraction form
    488,015.40/732,023.10 = 251,819.40/x
  3. Step 3: Cross multiply
    488,015.40x = 732,023.10 × 251,819.40
  4. Step 4: Simplify right side
    488,015.40x = 184,337,617,828.14
  5. Step 5: Solve for x
    x = 184,337,617,828.14/488,015.40
  6. Step 6: Final answer
    x = 377,729.10

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Similar ratio
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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.