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Finding the Fourth Proportional to 448,430.96, 672,627 and 111,464.48

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Solution

The fourth proportional to 448,430.96, 672,627 and 111,464.48 is: 167,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,430.96 : 672,627 = 111,464.48 : x
  2. Step 2: Convert to fraction form
    448,430.96/672,627 = 111,464.48/x
  3. Step 3: Cross multiply
    448,430.96x = 672,627 × 111,464.48
  4. Step 4: Simplify right side
    448,430.96x = 74,974,018,788.96
  5. Step 5: Solve for x
    x = 74,974,018,788.96/448,430.96
  6. Step 6: Final answer
    x = 167,191.89

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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.