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Finding the Fourth Proportional to 647,598,379.88, 893,685,764.44 and 350,240,620.02

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Solution

The fourth proportional to 647,598,379.88, 893,685,764.44 and 350,240,620.02 is: 483,332,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,598,379.88 : 893,685,764.44 = 350,240,620.02 : x
  2. Step 2: Convert to fraction form
    647,598,379.88/893,685,764.44 = 350,240,620.02/x
  3. Step 3: Cross multiply
    647,598,379.88x = 893,685,764.44 × 350,240,620.02
  4. Step 4: Simplify right side
    647,598,379.88x = 313,005,056,240,513,280
  5. Step 5: Solve for x
    x = 313,005,056,240,513,280/647,598,379.88
  6. Step 6: Final answer
    x = 483,332,055.74

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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.