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Finding the Fourth Proportional to 479,548,468.80, 719,322,703.20 and 324,580,273.20

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Solution

The fourth proportional to 479,548,468.80, 719,322,703.20 and 324,580,273.20 is: 486,870,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,548,468.80 : 719,322,703.20 = 324,580,273.20 : x
  2. Step 2: Convert to fraction form
    479,548,468.80/719,322,703.20 = 324,580,273.20/x
  3. Step 3: Cross multiply
    479,548,468.80x = 719,322,703.20 × 324,580,273.20
  4. Step 4: Simplify right side
    479,548,468.80x = 233,477,959,523,618,528
  5. Step 5: Solve for x
    x = 233,477,959,523,618,528/479,548,468.80
  6. Step 6: Final answer
    x = 486,870,409.80

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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.