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Finding the Fourth Proportional to 533,352.60, 800,128.53 and 178,368.48

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Solution

The fourth proportional to 533,352.60, 800,128.53 and 178,368.48 is: 267,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,352.60 : 800,128.53 = 178,368.48 : x
  2. Step 2: Convert to fraction form
    533,352.60/800,128.53 = 178,368.48/x
  3. Step 3: Cross multiply
    533,352.60x = 800,128.53 × 178,368.48
  4. Step 4: Simplify right side
    533,352.60x = 142,717,709,700.73
  5. Step 5: Solve for x
    x = 142,717,709,700.73/533,352.60
  6. Step 6: Final answer
    x = 267,586.04

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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.