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Finding the Fourth Proportional to 295,945,890.30, 415,004,490.90 and 295,945,890.30

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Solution

The fourth proportional to 295,945,890.30, 415,004,490.90 and 295,945,890.30 is: 415,004,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,945,890.30 : 415,004,490.90 = 295,945,890.30 : x
  2. Step 2: Convert to fraction form
    295,945,890.30/415,004,490.90 = 295,945,890.30/x
  3. Step 3: Cross multiply
    295,945,890.30x = 415,004,490.90 × 295,945,890.30
  4. Step 4: Simplify right side
    295,945,890.30x = 122,818,873,537,898,752
  5. Step 5: Solve for x
    x = 122,818,873,537,898,752/295,945,890.30
  6. Step 6: Final answer
    x = 415,004,490.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.