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Finding the Fourth Proportional to 418,671.06, 577,749.96 and 227,684.67

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Solution

The fourth proportional to 418,671.06, 577,749.96 and 227,684.67 is: 314,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,671.06 : 577,749.96 = 227,684.67 : x
  2. Step 2: Convert to fraction form
    418,671.06/577,749.96 = 227,684.67/x
  3. Step 3: Cross multiply
    418,671.06x = 577,749.96 × 227,684.67
  4. Step 4: Simplify right side
    418,671.06x = 131,544,808,985.11
  5. Step 5: Solve for x
    x = 131,544,808,985.11/418,671.06
  6. Step 6: Final answer
    x = 314,196.09

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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.