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Finding the Fourth Proportional to 301,939,710.80, 452,237,719.80 and 248,191,998.80

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Solution

The fourth proportional to 301,939,710.80, 452,237,719.80 and 248,191,998.80 is: 371,735,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,939,710.80 : 452,237,719.80 = 248,191,998.80 : x
  2. Step 2: Convert to fraction form
    301,939,710.80/452,237,719.80 = 248,191,998.80/x
  3. Step 3: Cross multiply
    301,939,710.80x = 452,237,719.80 × 248,191,998.80
  4. Step 4: Simplify right side
    301,939,710.80x = 112,241,783,609,916,352
  5. Step 5: Solve for x
    x = 112,241,783,609,916,352/301,939,710.80
  6. Step 6: Final answer
    x = 371,735,745.90

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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.