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Finding the Fourth Proportional to 488,380.60, 732,570.90 and 479,632.60

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Solution

The fourth proportional to 488,380.60, 732,570.90 and 479,632.60 is: 719,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,380.60 : 732,570.90 = 479,632.60 : x
  2. Step 2: Convert to fraction form
    488,380.60/732,570.90 = 479,632.60/x
  3. Step 3: Cross multiply
    488,380.60x = 732,570.90 × 479,632.60
  4. Step 4: Simplify right side
    488,380.60x = 351,364,885,451.34
  5. Step 5: Solve for x
    x = 351,364,885,451.34/488,380.60
  6. Step 6: Final answer
    x = 719,448.90

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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.