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Finding the Fourth Proportional to 265,998.79, 367,078.35 and 170,505.69

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Solution

The fourth proportional to 265,998.79, 367,078.35 and 170,505.69 is: 235,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,998.79 : 367,078.35 = 170,505.69 : x
  2. Step 2: Convert to fraction form
    265,998.79/367,078.35 = 170,505.69/x
  3. Step 3: Cross multiply
    265,998.79x = 367,078.35 × 170,505.69
  4. Step 4: Simplify right side
    265,998.79x = 62,588,947,350.81
  5. Step 5: Solve for x
    x = 62,588,947,350.81/265,998.79
  6. Step 6: Final answer
    x = 235,297.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.