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Finding the Fourth Proportional to 488,608.60, 732,912.90 and 470,893.90

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Solution

The fourth proportional to 488,608.60, 732,912.90 and 470,893.90 is: 706,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,608.60 : 732,912.90 = 470,893.90 : x
  2. Step 2: Convert to fraction form
    488,608.60/732,912.90 = 470,893.90/x
  3. Step 3: Cross multiply
    488,608.60x = 732,912.90 × 470,893.90
  4. Step 4: Simplify right side
    488,608.60x = 345,124,213,841.31
  5. Step 5: Solve for x
    x = 345,124,213,841.31/488,608.60
  6. Step 6: Final answer
    x = 706,340.85

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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.