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Finding the Fourth Proportional to 294,983,998.80, 442,475,998.20 and 294,983,998.80

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Solution

The fourth proportional to 294,983,998.80, 442,475,998.20 and 294,983,998.80 is: 442,475,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,983,998.80 : 442,475,998.20 = 294,983,998.80 : x
  2. Step 2: Convert to fraction form
    294,983,998.80/442,475,998.20 = 294,983,998.80/x
  3. Step 3: Cross multiply
    294,983,998.80x = 442,475,998.20 × 294,983,998.80
  4. Step 4: Simplify right side
    294,983,998.80x = 130,523,339,322,057,600
  5. Step 5: Solve for x
    x = 130,523,339,322,057,600/294,983,998.80
  6. Step 6: Final answer
    x = 442,475,998.20

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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.