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Finding the Fourth Proportional to 577,484,683.20, 866,227,024.80 and 286,396,732.80

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Solution

The fourth proportional to 577,484,683.20, 866,227,024.80 and 286,396,732.80 is: 429,595,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,484,683.20 : 866,227,024.80 = 286,396,732.80 : x
  2. Step 2: Convert to fraction form
    577,484,683.20/866,227,024.80 = 286,396,732.80/x
  3. Step 3: Cross multiply
    577,484,683.20x = 866,227,024.80 × 286,396,732.80
  4. Step 4: Simplify right side
    577,484,683.20x = 248,084,589,765,784,576
  5. Step 5: Solve for x
    x = 248,084,589,765,784,576/577,484,683.20
  6. Step 6: Final answer
    x = 429,595,099.20

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Similar ratio
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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.