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Finding the Fourth Proportional to 303,405,809.55, 455,108,714.33 and 303,405,809.55

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Solution

The fourth proportional to 303,405,809.55, 455,108,714.33 and 303,405,809.55 is: 455,108,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,405,809.55 : 455,108,714.33 = 303,405,809.55 : x
  2. Step 2: Convert to fraction form
    303,405,809.55/455,108,714.33 = 303,405,809.55/x
  3. Step 3: Cross multiply
    303,405,809.55x = 455,108,714.33 × 303,405,809.55
  4. Step 4: Simplify right side
    303,405,809.55x = 138,082,627,903,036,304
  5. Step 5: Solve for x
    x = 138,082,627,903,036,304/303,405,809.55
  6. Step 6: Final answer
    x = 455,108,714.33

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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.