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Finding the Fourth Proportional to 672,637,604.56, 928,239,483.72 and 363,588,260.56

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Solution

The fourth proportional to 672,637,604.56, 928,239,483.72 and 363,588,260.56 is: 501,751,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,637,604.56 : 928,239,483.72 = 363,588,260.56 : x
  2. Step 2: Convert to fraction form
    672,637,604.56/928,239,483.72 = 363,588,260.56/x
  3. Step 3: Cross multiply
    672,637,604.56x = 928,239,483.72 × 363,588,260.56
  4. Step 4: Simplify right side
    672,637,604.56x = 337,496,979,268,867,264
  5. Step 5: Solve for x
    x = 337,496,979,268,867,264/672,637,604.56
  6. Step 6: Final answer
    x = 501,751,577.64

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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.