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Finding the Fourth Proportional to 300,703.92, 414,965.88 and 173,384.88

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Solution

The fourth proportional to 300,703.92, 414,965.88 and 173,384.88 is: 239,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,703.92 : 414,965.88 = 173,384.88 : x
  2. Step 2: Convert to fraction form
    300,703.92/414,965.88 = 173,384.88/x
  3. Step 3: Cross multiply
    300,703.92x = 414,965.88 × 173,384.88
  4. Step 4: Simplify right side
    300,703.92x = 71,948,809,307.89
  5. Step 5: Solve for x
    x = 71,948,809,307.89/300,703.92
  6. Step 6: Final answer
    x = 239,267.95

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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.