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Finding the Fourth Proportional to 217,407.40, 325,673.70 and 146,548.60

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Solution

The fourth proportional to 217,407.40, 325,673.70 and 146,548.60 is: 219,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,407.40 : 325,673.70 = 146,548.60 : x
  2. Step 2: Convert to fraction form
    217,407.40/325,673.70 = 146,548.60/x
  3. Step 3: Cross multiply
    217,407.40x = 325,673.70 × 146,548.60
  4. Step 4: Simplify right side
    217,407.40x = 47,727,024,791.82
  5. Step 5: Solve for x
    x = 47,727,024,791.82/217,407.40
  6. Step 6: Final answer
    x = 219,528.06

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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.