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Finding the Fourth Proportional to 267,477.90, 369,238.20 and 170,808.40

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Solution

The fourth proportional to 267,477.90, 369,238.20 and 170,808.40 is: 235,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,477.90 : 369,238.20 = 170,808.40 : x
  2. Step 2: Convert to fraction form
    267,477.90/369,238.20 = 170,808.40/x
  3. Step 3: Cross multiply
    267,477.90x = 369,238.20 × 170,808.40
  4. Step 4: Simplify right side
    267,477.90x = 63,068,983,904.93
  5. Step 5: Solve for x
    x = 63,068,983,904.93/267,477.90
  6. Step 6: Final answer
    x = 235,791.39

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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.