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Finding the Fourth Proportional to 245,210.34, 367,620 and 225,528.42

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Solution

The fourth proportional to 245,210.34, 367,620 and 225,528.42 is: 338,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,210.34 : 367,620 = 225,528.42 : x
  2. Step 2: Convert to fraction form
    245,210.34/367,620 = 225,528.42/x
  3. Step 3: Cross multiply
    245,210.34x = 367,620 × 225,528.42
  4. Step 4: Simplify right side
    245,210.34x = 82,908,757,760.40
  5. Step 5: Solve for x
    x = 82,908,757,760.40/245,210.34
  6. Step 6: Final answer
    x = 338,112.81

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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.