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Finding the Fourth Proportional to 300,607.38, 414,913.05 and 173,359.62

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Solution

The fourth proportional to 300,607.38, 414,913.05 and 173,359.62 is: 239,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,607.38 : 414,913.05 = 173,359.62 : x
  2. Step 2: Convert to fraction form
    300,607.38/414,913.05 = 173,359.62/x
  3. Step 3: Cross multiply
    300,607.38x = 414,913.05 × 173,359.62
  4. Step 4: Simplify right side
    300,607.38x = 71,929,168,681.04
  5. Step 5: Solve for x
    x = 71,929,168,681.04/300,607.38
  6. Step 6: Final answer
    x = 239,279.45

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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.