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Finding the Fourth Proportional to 210,384,000.70, 315,576,001.05 and 210,384,000.70

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Solution

The fourth proportional to 210,384,000.70, 315,576,001.05 and 210,384,000.70 is: 315,576,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,000.70 : 315,576,001.05 = 210,384,000.70 : x
  2. Step 2: Convert to fraction form
    210,384,000.70/315,576,001.05 = 210,384,000.70/x
  3. Step 3: Cross multiply
    210,384,000.70x = 315,576,001.05 × 210,384,000.70
  4. Step 4: Simplify right side
    210,384,000.70x = 66,392,141,625,806,400
  5. Step 5: Solve for x
    x = 66,392,141,625,806,400/210,384,000.70
  6. Step 6: Final answer
    x = 315,576,001.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.