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Finding the Fourth Proportional to 307,637.20, 460,678.20 and 245,429.20

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Solution

The fourth proportional to 307,637.20, 460,678.20 and 245,429.20 is: 367,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,637.20 : 460,678.20 = 245,429.20 : x
  2. Step 2: Convert to fraction form
    307,637.20/460,678.20 = 245,429.20/x
  3. Step 3: Cross multiply
    307,637.20x = 460,678.20 × 245,429.20
  4. Step 4: Simplify right side
    307,637.20x = 113,063,882,083.44
  5. Step 5: Solve for x
    x = 113,063,882,083.44/307,637.20
  6. Step 6: Final answer
    x = 367,523.44

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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.