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Finding the Fourth Proportional to 555,328.14, 832,989.48 and 134,604.03

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Solution

The fourth proportional to 555,328.14, 832,989.48 and 134,604.03 is: 201,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,328.14 : 832,989.48 = 134,604.03 : x
  2. Step 2: Convert to fraction form
    555,328.14/832,989.48 = 134,604.03/x
  3. Step 3: Cross multiply
    555,328.14x = 832,989.48 × 134,604.03
  4. Step 4: Simplify right side
    555,328.14x = 112,123,740,955.60
  5. Step 5: Solve for x
    x = 112,123,740,955.60/555,328.14
  6. Step 6: Final answer
    x = 201,905.38

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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.