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Finding the Fourth Proportional to 470,794.60, 706,191.90 and 436,234.60

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Solution

The fourth proportional to 470,794.60, 706,191.90 and 436,234.60 is: 654,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,794.60 : 706,191.90 = 436,234.60 : x
  2. Step 2: Convert to fraction form
    470,794.60/706,191.90 = 436,234.60/x
  3. Step 3: Cross multiply
    470,794.60x = 706,191.90 × 436,234.60
  4. Step 4: Simplify right side
    470,794.60x = 308,065,341,019.74
  5. Step 5: Solve for x
    x = 308,065,341,019.74/470,794.60
  6. Step 6: Final answer
    x = 654,351.90

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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.