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Finding the Fourth Proportional to 228,513, 342,900.66 and 178,452.56

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Solution

The fourth proportional to 228,513, 342,900.66 and 178,452.56 is: 267,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,513 : 342,900.66 = 178,452.56 : x
  2. Step 2: Convert to fraction form
    228,513/342,900.66 = 178,452.56/x
  3. Step 3: Cross multiply
    228,513x = 342,900.66 × 178,452.56
  4. Step 4: Simplify right side
    228,513x = 61,191,500,602.69
  5. Step 5: Solve for x
    x = 61,191,500,602.69/228,513
  6. Step 6: Final answer
    x = 267,781.27

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1.5x scale

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.