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Finding the Fourth Proportional to 303,447,805.65, 455,171,708.48 and 303,447,805.65

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Solution

The fourth proportional to 303,447,805.65, 455,171,708.48 and 303,447,805.65 is: 455,171,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,447,805.65 : 455,171,708.48 = 303,447,805.65 : x
  2. Step 2: Convert to fraction form
    303,447,805.65/455,171,708.48 = 303,447,805.65/x
  3. Step 3: Cross multiply
    303,447,805.65x = 455,171,708.48 × 303,447,805.65
  4. Step 4: Simplify right side
    303,447,805.65x = 138,120,856,130,700,256
  5. Step 5: Solve for x
    x = 138,120,856,130,700,256/303,447,805.65
  6. Step 6: Final answer
    x = 455,171,708.48

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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.