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Finding the Fourth Proportional to 488,441.40, 732,662.10 and 329,009.10

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Solution

The fourth proportional to 488,441.40, 732,662.10 and 329,009.10 is: 493,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,441.40 : 732,662.10 = 329,009.10 : x
  2. Step 2: Convert to fraction form
    488,441.40/732,662.10 = 329,009.10/x
  3. Step 3: Cross multiply
    488,441.40x = 732,662.10 × 329,009.10
  4. Step 4: Simplify right side
    488,441.40x = 241,052,498,125.11
  5. Step 5: Solve for x
    x = 241,052,498,125.11/488,441.40
  6. Step 6: Final answer
    x = 493,513.65

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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.