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Finding the Fourth Proportional to 555,313.94, 832,970.92 and 134,589.82

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Solution

The fourth proportional to 555,313.94, 832,970.92 and 134,589.82 is: 201,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,313.94 : 832,970.92 = 134,589.82 : x
  2. Step 2: Convert to fraction form
    555,313.94/832,970.92 = 134,589.82/x
  3. Step 3: Cross multiply
    555,313.94x = 832,970.92 × 134,589.82
  4. Step 4: Simplify right side
    555,313.94x = 112,109,401,350.23
  5. Step 5: Solve for x
    x = 112,109,401,350.23/555,313.94
  6. Step 6: Final answer
    x = 201,884.72

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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.