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Finding the Fourth Proportional to 524,882,783.60, 787,324,175.40 and 517,230,033.20

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Solution

The fourth proportional to 524,882,783.60, 787,324,175.40 and 517,230,033.20 is: 775,845,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,882,783.60 : 787,324,175.40 = 517,230,033.20 : x
  2. Step 2: Convert to fraction form
    524,882,783.60/787,324,175.40 = 517,230,033.20/x
  3. Step 3: Cross multiply
    524,882,783.60x = 787,324,175.40 × 517,230,033.20
  4. Step 4: Simplify right side
    524,882,783.60x = 407,227,709,381,304,576
  5. Step 5: Solve for x
    x = 407,227,709,381,304,576/524,882,783.60
  6. Step 6: Final answer
    x = 775,845,049.80

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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.