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Finding the Fourth Proportional to 418,297.98, 627,169.59 and 152,026.86

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Solution

The fourth proportional to 418,297.98, 627,169.59 and 152,026.86 is: 227,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,297.98 : 627,169.59 = 152,026.86 : x
  2. Step 2: Convert to fraction form
    418,297.98/627,169.59 = 152,026.86/x
  3. Step 3: Cross multiply
    418,297.98x = 627,169.59 × 152,026.86
  4. Step 4: Simplify right side
    418,297.98x = 95,346,623,455.19
  5. Step 5: Solve for x
    x = 95,346,623,455.19/418,297.98
  6. Step 6: Final answer
    x = 227,939.48

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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.