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Finding the Fourth Proportional to 508,563.12, 701,913.78 and 336,484.56

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Solution

The fourth proportional to 508,563.12, 701,913.78 and 336,484.56 is: 464,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,563.12 : 701,913.78 = 336,484.56 : x
  2. Step 2: Convert to fraction form
    508,563.12/701,913.78 = 336,484.56/x
  3. Step 3: Cross multiply
    508,563.12x = 701,913.78 × 336,484.56
  4. Step 4: Simplify right side
    508,563.12x = 236,183,149,421.24
  5. Step 5: Solve for x
    x = 236,183,149,421.24/508,563.12
  6. Step 6: Final answer
    x = 464,412.66

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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.