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Finding the Fourth Proportional to 336,925.40, 505,358.92 and 137,266.88

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Solution

The fourth proportional to 336,925.40, 505,358.92 and 137,266.88 is: 205,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,925.40 : 505,358.92 = 137,266.88 : x
  2. Step 2: Convert to fraction form
    336,925.40/505,358.92 = 137,266.88/x
  3. Step 3: Cross multiply
    336,925.40x = 505,358.92 × 137,266.88
  4. Step 4: Simplify right side
    336,925.40x = 69,369,042,228.57
  5. Step 5: Solve for x
    x = 69,369,042,228.57/336,925.40
  6. Step 6: Final answer
    x = 205,888.43

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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.