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Finding the Fourth Proportional to 440,358.30, 660,537.45 and 229,968.90

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Solution

The fourth proportional to 440,358.30, 660,537.45 and 229,968.90 is: 344,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,358.30 : 660,537.45 = 229,968.90 : x
  2. Step 2: Convert to fraction form
    440,358.30/660,537.45 = 229,968.90/x
  3. Step 3: Cross multiply
    440,358.30x = 660,537.45 × 229,968.90
  4. Step 4: Simplify right side
    440,358.30x = 151,903,070,785.31
  5. Step 5: Solve for x
    x = 151,903,070,785.31/440,358.30
  6. Step 6: Final answer
    x = 344,953.35

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Similar ratio
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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.