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Finding the Fourth Proportional to 217,283.82, 300,262.95 and 163,475.34

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Solution

The fourth proportional to 217,283.82, 300,262.95 and 163,475.34 is: 225,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,283.82 : 300,262.95 = 163,475.34 : x
  2. Step 2: Convert to fraction form
    217,283.82/300,262.95 = 163,475.34/x
  3. Step 3: Cross multiply
    217,283.82x = 300,262.95 × 163,475.34
  4. Step 4: Simplify right side
    217,283.82x = 49,085,587,840.65
  5. Step 5: Solve for x
    x = 49,085,587,840.65/217,283.82
  6. Step 6: Final answer
    x = 225,905.40

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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.