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Finding the Fourth Proportional to 471,640,505.80, 707,460,758.70 and 471,640,505.80

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Solution

The fourth proportional to 471,640,505.80, 707,460,758.70 and 471,640,505.80 is: 707,460,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,640,505.80 : 707,460,758.70 = 471,640,505.80 : x
  2. Step 2: Convert to fraction form
    471,640,505.80/707,460,758.70 = 471,640,505.80/x
  3. Step 3: Cross multiply
    471,640,505.80x = 707,460,758.70 × 471,640,505.80
  4. Step 4: Simplify right side
    471,640,505.80x = 333,667,150,066,919,808
  5. Step 5: Solve for x
    x = 333,667,150,066,919,808/471,640,505.80
  6. Step 6: Final answer
    x = 707,460,758.70

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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.