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Finding the Fourth Proportional to 297,977,371.50, 411,205,509.24 and 164,012,423.58

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Solution

The fourth proportional to 297,977,371.50, 411,205,509.24 and 164,012,423.58 is: 226,335,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,977,371.50 : 411,205,509.24 = 164,012,423.58 : x
  2. Step 2: Convert to fraction form
    297,977,371.50/411,205,509.24 = 164,012,423.58/x
  3. Step 3: Cross multiply
    297,977,371.50x = 411,205,509.24 × 164,012,423.58
  4. Step 4: Simplify right side
    297,977,371.50x = 67,442,812,159,900,488
  5. Step 5: Solve for x
    x = 67,442,812,159,900,488/297,977,371.50
  6. Step 6: Final answer
    x = 226,335,348.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.