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Finding the Fourth Proportional to 303,493,790.66, 455,241,866.97 and 73,462,506.26

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Solution

The fourth proportional to 303,493,790.66, 455,241,866.97 and 73,462,506.26 is: 110,194,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,493,790.66 : 455,241,866.97 = 73,462,506.26 : x
  2. Step 2: Convert to fraction form
    303,493,790.66/455,241,866.97 = 73,462,506.26/x
  3. Step 3: Cross multiply
    303,493,790.66x = 455,241,866.97 × 73,462,506.26
  4. Step 4: Simplify right side
    303,493,790.66x = 33,443,208,502,097,716
  5. Step 5: Solve for x
    x = 33,443,208,502,097,716/303,493,790.66
  6. Step 6: Final answer
    x = 110,194,045.25

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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.