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Finding the Fourth Proportional to 673,670.44, 929,444.42 and 480,108.64

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Solution

The fourth proportional to 673,670.44, 929,444.42 and 480,108.64 is: 662,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,670.44 : 929,444.42 = 480,108.64 : x
  2. Step 2: Convert to fraction form
    673,670.44/929,444.42 = 480,108.64/x
  3. Step 3: Cross multiply
    673,670.44x = 929,444.42 × 480,108.64
  4. Step 4: Simplify right side
    673,670.44x = 446,234,295,318.45
  5. Step 5: Solve for x
    x = 446,234,295,318.45/673,670.44
  6. Step 6: Final answer
    x = 662,392.57

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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.