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Finding the Fourth Proportional to 555,052.40, 832,583.32 and 134,328.56

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Solution

The fourth proportional to 555,052.40, 832,583.32 and 134,328.56 is: 201,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,052.40 : 832,583.32 = 134,328.56 : x
  2. Step 2: Convert to fraction form
    555,052.40/832,583.32 = 134,328.56/x
  3. Step 3: Cross multiply
    555,052.40x = 832,583.32 × 134,328.56
  4. Step 4: Simplify right side
    555,052.40x = 111,839,718,455.62
  5. Step 5: Solve for x
    x = 111,839,718,455.62/555,052.40
  6. Step 6: Final answer
    x = 201,493.98

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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.