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Finding the Fourth Proportional to 370,706.46, 556,102.88 and 134,160.54

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Solution

The fourth proportional to 370,706.46, 556,102.88 and 134,160.54 is: 201,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,706.46 : 556,102.88 = 134,160.54 : x
  2. Step 2: Convert to fraction form
    370,706.46/556,102.88 = 134,160.54/x
  3. Step 3: Cross multiply
    370,706.46x = 556,102.88 × 134,160.54
  4. Step 4: Simplify right side
    370,706.46x = 74,607,062,676.36
  5. Step 5: Solve for x
    x = 74,607,062,676.36/370,706.46
  6. Step 6: Final answer
    x = 201,256.44

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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.