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Finding the Fourth Proportional to 293,603,651.60, 440,391,480.60 and 99,496,029.20

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Solution

The fourth proportional to 293,603,651.60, 440,391,480.60 and 99,496,029.20 is: 149,239,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,603,651.60 : 440,391,480.60 = 99,496,029.20 : x
  2. Step 2: Convert to fraction form
    293,603,651.60/440,391,480.60 = 99,496,029.20/x
  3. Step 3: Cross multiply
    293,603,651.60x = 440,391,480.60 × 99,496,029.20
  4. Step 4: Simplify right side
    293,603,651.60x = 43,817,203,613,208,840
  5. Step 5: Solve for x
    x = 43,817,203,613,208,840/293,603,651.60
  6. Step 6: Final answer
    x = 149,239,300.58

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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.