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Finding the Fourth Proportional to 590,809,612.80, 886,214,419.20 and 263,284,492.80

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Solution

The fourth proportional to 590,809,612.80, 886,214,419.20 and 263,284,492.80 is: 394,926,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,809,612.80 : 886,214,419.20 = 263,284,492.80 : x
  2. Step 2: Convert to fraction form
    590,809,612.80/886,214,419.20 = 263,284,492.80/x
  3. Step 3: Cross multiply
    590,809,612.80x = 886,214,419.20 × 263,284,492.80
  4. Step 4: Simplify right side
    590,809,612.80x = 233,326,513,871,118,592
  5. Step 5: Solve for x
    x = 233,326,513,871,118,592/590,809,612.80
  6. Step 6: Final answer
    x = 394,926,739.20

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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.