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Finding the Fourth Proportional to 328,059.32, 492,154.58 and 103,454.42

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Solution

The fourth proportional to 328,059.32, 492,154.58 and 103,454.42 is: 155,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,059.32 : 492,154.58 = 103,454.42 : x
  2. Step 2: Convert to fraction form
    328,059.32/492,154.58 = 103,454.42/x
  3. Step 3: Cross multiply
    328,059.32x = 492,154.58 × 103,454.42
  4. Step 4: Simplify right side
    328,059.32x = 50,915,564,422.11
  5. Step 5: Solve for x
    x = 50,915,564,422.11/328,059.32
  6. Step 6: Final answer
    x = 155,202.31

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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.