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Finding the Fourth Proportional to 417,777,472, 576,880,976.64 and 348,525,856

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Solution

The fourth proportional to 417,777,472, 576,880,976.64 and 348,525,856 is: 481,256,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,777,472 : 576,880,976.64 = 348,525,856 : x
  2. Step 2: Convert to fraction form
    417,777,472/576,880,976.64 = 348,525,856/x
  3. Step 3: Cross multiply
    417,777,472x = 576,880,976.64 × 348,525,856
  4. Step 4: Simplify right side
    417,777,472x = 201,057,936,193,572,000
  5. Step 5: Solve for x
    x = 201,057,936,193,572,000/417,777,472
  6. Step 6: Final answer
    x = 481,256,050.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.