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Finding the Fourth Proportional to 602,179,996.80, 903,279,898.80 and 165,477,950.40

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Solution

The fourth proportional to 602,179,996.80, 903,279,898.80 and 165,477,950.40 is: 248,219,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,179,996.80 : 903,279,898.80 = 165,477,950.40 : x
  2. Step 2: Convert to fraction form
    602,179,996.80/903,279,898.80 = 165,477,950.40/x
  3. Step 3: Cross multiply
    602,179,996.80x = 903,279,898.80 × 165,477,950.40
  4. Step 4: Simplify right side
    602,179,996.80x = 149,472,906,290,943,424
  5. Step 5: Solve for x
    x = 149,472,906,290,943,424/602,179,996.80
  6. Step 6: Final answer
    x = 248,219,647.09

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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.